c-cd cccc ccci cccl cccu ccdc ccdi ccic ccid ccii ccil cclc ccli ccoc ccod ccuc cddl cdic cdii cdio cdli cicc cici cico cicu cidc cidi ciid ciii ciko cili cilk cill cilo ciuc ckck ckcl ckco ckdo ckdu ckoc ckoi ckoo clcd cldc clic clii clik clio clod clok cloo clou clud cock coco cocu codd codi codl coil cok- coko col- cold coli colk coll colo colu cood cook cool coud couk coul cucc cuci cuck cudi cui- cuil cuk- culc culd culk cull culo dccc dcci dccl dccu dcii dcil dcio dcli dddd ddlc ddoc dici dick dico didi dido didu diii diki diko diku dili dilk dill dilo dioc diol diou dkdc dkid dlco dlii dlil doci dock doco docu dod- dodd dodi dodo doid doil doki doko dold doli dolk doll dolo dolu dood dook dool douc doud douk doul duck duco dudd dudo dudu duid duil duki duku dulc duli dull dulo dulu duo- duul iccc icci iccl icco iccu icdc icdd icdl icll icoc icod iddo idic idid idil idio idku idli idoc idol iduo iicd iiii iiio iioi iioo iiuc ikid ikki ikko ikoo ikuo ilcd ilic ilio ilki ilku ill- illd illi illo iloc ilok iloo ilud ioci iod- iodd iodo ioii ioio ioko iolo iooi iooo iucc iuiu k-ci k-id k-lo kccc kccd kcci kcck kccl kccu kcdc kcdd kcdi kcdu kcic kcid kcii kcil kciu kckc kckk kckl kcko kclc kcli kclk kcll kclu kcol kcou kcui kcuk kcul kdcc kdcd kdco kddc kddd kddi kddk kddl kdic kdil kdio kdkd kdkk kdko kdlc kdld kdll kdlo kdoc kdok kduc kicc kicd kick kicl kidd kidi kidk kidl kido kidu kiic kiid kiii kiik kiiu kikc kikd kiki kikk kiko kiku kild kili kilk kill kilo kioc kiod kioi kiok kiol kioo kiou kiul kiuu kkcd kkci kkck kkcl kkco kkdc kkdd kkdl kkdo kkic kkid kkik kkkk kklc kkld kkli kkll kklo kkol kkoo kkuu klcc klcd klci klck klcl kldc kldd klic klid klik klil klio kliu klkc klkk klkl klko kllc kllk kloc klok klol kloo klou kluk kluu kocd koci kock kodi kodk kodl kodo kodu koii koil kokc koki kokk koko koku kolc kold koli kolk koll kolo kolu kooc kooi kook kool kooo koou koui koul kouu kucc kucd kuci kuco kudd kudi kudl kudo kudu kuic kuik kuil kuki kukk kukl kuku kuld kuli kull kulo kulu kuok kuol kuoo kuuk kuul kuuu lccc lcdd ldci lick lico lidl lido liii liko liku lili lill lilo lilu lio- liod llcc lldc lllc llll lloc llod lloo llud locc loci lock loco locu lodi loic loid loik loiu loki lokk loko lold loli loll lolo looc lood look lool loud loui louk loul louu luci luck ludd ludi ludo luik luki luko luli lull lulu luuk occc occi oclc ocul odci oddd oddi odic odio odiu odoo odou oici oick oido oiii oiko okcu okic okko oklo okok okol okul olcc olic olid olio olki olli ollo oodi ooid ooku oold oolo oooo oucc oudc ouii ould oulk oulu ouu- ucci ucdc ucdd ucil ucio uddi udic udid udoo uduk ukcc ukko ukok ulcc ulco ulic ulik ulli ullo ulo- uloc uluk ulul uocc uolc uulu uuoc uuuu