c-cd cccc ccci cccl ccdc ccdi ccic ccid ccii ccil cclc ccli ccoc ccod cddl cdic cdii cdio cdli cicc cici cico cidc cidi ciid ciii ciko cili cilk cill cilo ckck ckcl ckco ckdo ckoc ckoi ckoo clcd cldc clic clii clik clio clod clok cloo cock coco codd codi codl coil cok- coko col- cold coli colk coll colo cood cook cool dccc dcci dccl dcii dcil dcio dcli dddd ddlc ddoc dici dick dico didi dido diii diki diko dili dilk dill dilo dioc diol dkdc dkid dlco dlii dlil doci dock doco dod- dodd dodi dodo doid doil doki doko dold doli dolk doll dolo dood dook dool iccc icci iccl icco icdc icdd icdl icll icoc icod iddo idic idid idil idio idli idoc idol iicd iiii iiio iioi iioo ikid ikki ikko ikoo ilcd ilic ilio ilki ill- illd illi illo iloc ilok iloo ioci iod- iodd iodo ioii ioio ioko iolo iooi iooo k-ci k-id k-lo kccc kccd kcci kcck kccl kcdc kcdd kcdi kcic kcid kcii kcil kckc kckk kckl kcko kclc kcli kclk kcll kcol kdcc kdcd kdco kddc kddd kddi kddk kddl kdic kdil kdio kdkd kdkk kdko kdlc kdld kdll kdlo kdoc kdok kicc kicd kick kicl kidd kidi kidk kidl kido kiic kiid kiii kiik kikc kikd kiki kikk kiko kild kili kilk kill kilo kioc kiod kioi kiok kiol kioo kkcd kkci kkck kkcl kkco kkdc kkdd kkdl kkdo kkic kkid kkik kkkk kklc kkld kkli kkll kklo kkol kkoo klcc klcd klci klck klcl kldc kldd klic klid klik klil klio klkc klkk klkl klko kllc kllk kloc klok klol kloo kocd koci kock kodi kodk kodl kodo koii koil kokc koki kokk koko kolc kold koli kolk koll kolo kooc kooi kook kool kooo lccc lcdd ldci lick lico lidl lido liii liko lili lill lilo lio- liod llcc lldc lllc llll lloc llod lloo locc loci lock loco lodi loic loid loik loki lokk loko lold loli loll lolo looc lood look lool occc occi oclc odci oddd oddi odic odio odoo oici oick oido oiii oiko okic okko oklo okok okol olcc olic olid olio olki olli ollo oodi ooid oold oolo oooo