c-cd cccc ccci cccp cccu ccdc ccdi ccdp ccic ccid ccii ccip ccoc ccod ccpp ccuc ccup cdic cdii cdio cicc cici cico cicu cidc cidi cidp ciid ciii ciko cipo cipp ciuc ciup ckck ckco ckdo ckdu ckoc ckoi ckoo ckpc cock coco cocp cocu codd codi coip cok- coko cood cook coop copd copi copo copp coud couk coup cpcu cpic cpio cppd cucc cuci cuck cudi cui- cuk- cupo cupp dccc dcci dccp dccu dcii dcio dcop dcpo dcup dddd ddoc ddpo dici dick dico didi dido didu diii diki diko diku dioc diop diou dipc dipo dipp dipu dkdc dkid doci dock doco docu dod- dodd dodi dodo doid doki doko dood dook doop dopo dopp douc doud douk doup dpci dpcp dppc duck duco dudd dudo dudu duid duki duku duo- dupo iccc icci icco iccp iccu icdc icdd icdp icoc icod icpc icpd icpo icup iddo idic idid idio idku idoc iduo iicd iiii iiio iioi iioo iiop iiuc ikid ikki ikko ikoo ikuo ioci iocp iod- iodd iodo ioii ioio ioko iooi iooo ipcc ipdc ipdi ipid ipko ipod ipop ippc ippo iucc iuiu iupp k-ci k-id kccc kccd kcci kcck kccu kcdc kcdd kcdi kcdu kcic kcid kcii kciu kckc kckk kcko kcou kcpc kcpi kcpo kcpu kcui kcuk kcup kdcc kdcd kdco kddc kddd kddi kddk kdic kdio kdkd kdkk kdko kdoc kdok kdpi kduc kdup kicc kicd kick kicp kidd kidi kidk kido kidu kiic kiid kiii kiik kiip kiiu kikc kikd kiki kikk kiko kiku kioc kiod kioi kiok kioo kiou kip- kipi kipo kipp kipu kiup kiuu kkcd kkci kkck kkco kkdc kkdd kkdo kkic kkid kkik kkkk kkoo kkpc kkpk kkup kkuu kocd koci kock kocp kodi kodk kodo kodu koii kokc koki kokk koko kokp koku kooc kooi kook kooo koop koou kopi kopp kopu koui kouu kpcc kpdc kpdo kpid kpkk kpoc kpod kpok kpoo kpop kpou kppc kppd kppk kppo kppp kucc kucd kuci kuco kucp kudd kudi kudo kudu kuic kuik kuki kukk kuku kuok kuoo kuop kupd kupu kuuk kuuu occc occi ocpd ocpp odci oddd oddi odic odio odiu odoo odop odou oici oick oido oiii oiko oipc okcu okic okko okok okpo oodi ooid ooku oooo opic opii opio opo- oppi oppo oucc oudc ouii ouu- pccc pcip pcod pcpp pdci pdcp pdic pdoc picc pici pick pico picu pido piip piki pikk piko piku pipi pipo pipp pocd pock poco pod- podd podi podo podu poid poik poio poko poku pood pook poop pop- popc popi popo popp poud poui pouk poup ppcc ppcd ppci ppdk ppic ppid ppod pppd pppo pppp puck pudo pudu puid puiu puki puku pupi pupu puuc ucci uccp ucdc ucdd ucio uddi udic udid udoo udop udpd uduk uipi ukcc ukip ukko ukok ukup uocc upci updo upic uppc uppp uppu upup uucp uuoc uuuu