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Following my earlier post about CHECKBOOK, I wrote a Python program to find dictionary words with the property they have symmetry about a horizontal mirror line; if you invert them, they remains the same. I used the UK Advanced Cryptics Dictionary, by Ross Beresford (240732 words) as my word source.

Here is the full list of then 352 results. As you might expect some of the words are a wee bit obscure.

['B', 'BE', 'BECK', 'BECKED', 'BED', 'BEDDED', 'BEDE', 'BEDECK', 'BEDECKED', 'BEDIDE', 'BEE', 'BEEB', 'BEECH', 'BI', 'BIB', 'BIBBED', 'BIBCOCK', 'BICE', 'BICKIE', 'BID', 'BIDE', 'BIDED', 'BIKE', 'BIKED', 'BIKIE', 'BIO', 'BIOCIDE', 'BO', 'BOB', 'BOBBED', 'BOBBIE', 'BOCCE', 'BOCHE', 'BOCK', 'BOCKED', 'BOD', 'BODE', 'BODED', 'BODICE', 'BODIED', 'BOH', 'BOK', 'BOKE', 'BOKED', 'BOKO', 'BOO', 'BOOB', 'BOOBED', 'BOOBOO', 'BOOBOOK', 'BOODIE', 'BOODIED', 'BOOED', 'BOOH', 'BOOHED', 'BOOHOO', 'BOOHOOED', 'BOOK', 'BOOKED', 'BOOKIE', 'BOX', 'BOXED', 'C', 'CEDE', 'CEDED', 'CEDI', 'CEE', 'CH', 'CHE', 'CHECK', 'CHECKBOOK', 'CHECKED', 'CHEEK', 'CHEEKED', 'CHI', 'CHIC', 'CHICH', 'CHICHI', 'CHICK', 'CHICO', 'CHID', 'CHIDE', 'CHIDED', 'CHIK', 'CHOC', 'CHOCHO', 'CHOCK', 'CHOCKED', 'CHOCKO', 'CHOCO', 'CHOICE', 'CHOKE', 'CHOKED', 'CHOKO', 'CHOOK', 'CHOOKIE', 'CID', 'COB', 'COBB', 'COBBED', 'COCCI', 'COCCID', 'COCCO', 'COCCOID', 'COCK', 'COCKED', 'COCO', 'COD', 'CODDED', 'CODE', 'CODEBOOK', 'CODED', 'CODEX', 'COED', 'COHO', 'COHOE', 'COKE', 'COKED', 'COO', 'COOED', 'COOEE', 'COOEED', 'COOK', 'COOKED', 'COOKIE', 'COX', 'COXED', 'D', 'DEB', 'DEBBIE', 'DECCIE', 'DECIDE', 'DECIDED', 'DECK', 'DECKED', 'DECKO', 'DECKOED', 'DECO', 'DECODE', 'DECODED', 'DECOKE', 'DECOKED', 'DEE', 'DEED', 'DEEDED', 'DEEK', 'DEICIDE', 'DEID', 'DEKKO', 'DEKKOED', 'DEO', 'DHOBI', 'DI', 'DIB', 'DIBBED', 'DICE', 'DICED', 'DICH', 'DICK', 'DICKIE', 'DID', 'DIDICOI', 'DIDO', 'DIE', 'DIEB', 'DIED', 'DIKE', 'DIKED', 'DIODE', 'DIOXIDE', 'DIXI', 'DIXIE', 'DO', 'DOB', 'DOBBED', 'DOBBIE', 'DOBCHICK', 'DOC', 'DOCK', 'DOCKED', 'DOD', 'DODDED', 'DODO', 'DOE', 'DOEK', 'DOH', 'DOO', 'DOOB', 'DOOK', 'DOOKED', 'E', 'EBB', 'EBBED', 'ECCE', 'ECCO', 'ECHE', 'ECHO', 'ECHOED', 'ECHOIC', 'ECO', 'ECOCIDE', 'ECOD', 'ED', 'EDDIC', 'EDDIE', 'EDDIED', 'EDDO', 'EDH', 'EE', 'EEK', 'EH', 'EHED', 'EKE', 'EKED', 'EO', 'EX', 'EXCEED', 'EXCEEDED', 'EXCIDE', 'EXCIDED', 'EXE', 'EXODE', 'EXODIC', 'H', 'HE', 'HEBE', 'HECH', 'HECK', 'HEED', 'HEEDED', 'HEID', 'HEIDE', 'HEX', 'HEXED', 'HI', 'HIC', 'HICK', 'HICKOK', 'HID', 'HIDE', 'HIDED', 'HIE', 'HIED', 'HIKE', 'HIKED', 'HO', 'HOB', 'HOBO', 'HOBOED', 'HOC', 'HOCK', 'HOCKED', 'HOD', 'HOE', 'HOED', 'HOH', 'HOI', 'HOICK', 'HOICKED', 'HOIK', 'HOIKED', 'HOKE', 'HOKED', 'HOKI', 'HOO', 'HOOCH', 'HOOD', 'HOODED', 'HOODIE', 'HOODOO', 'HOODOOED', 'HOOK', 'HOOKE', 'HOOKED', 'HOX', 'I', 'IBEX', 'IBO', 'ICE', 'ICEBOX', 'ICED', 'ICH', 'ID', 'IDE', 'IDO', 'IKE', 'IO', 'IODIC', 'IODIDE', 'K', 'KEBBIE', 'KEBBOCK', 'KEBOB', 'KECK', 'KECKED', 'KED', 'KEECH', 'KEEK', 'KEEKED', 'KEX', 'KHOIKHOI', 'KIBE', 'KICK', 'KICKED', 'KID', 'KIDD', 'KIDDED', 'KIDDIE', 'KIDDIED', 'KIDDO', 'KIKE', 'KIKOI', 'KO', 'KOB', 'KOBE', 'KOI', 'KOODOO', 'KOOK', 'KOOKED', 'KOOKIE', 'O', 'OB', 'OBECHE', 'OBI', 'OBIED', 'OBO', 'OBOE', 'OCH', 'OCHE', 'OD', 'ODD', 'ODE', 'ODIC', 'OE', 'OH', 'OHIO', 'OHO', 'OI', 'OIK', 'OK', 'OKE', 'OKED', 'OO', 'OOH', 'OOHED', 'O', 'OX', 'OXHIDE', 'OXIDE', 'X', 'XEBEC', 'XI']

I've always thought symmetry was heart-breaking and snowflake patterns marvellous in their variety - and their temporary existence.  Bentley, the New England farmer who photographed so many snow crystals over 40 years (see earlier blog post snowflake(1)) lamented that each was unique and so beautiful, but gone forever in seconds or less.

Yesterday some of Bentley's original photos - plates I guess - were at auction and this was reported in many newspapers.  Go look