cccc cccp cccu ccee ccoc ccpe ccpp ccuc ccup cec- cece ceco cecp ceec ceke ceop ceou cepc cepe cepo cepp ckck ckco ckoc ckoo ckpc coce cock coco cocp cocu coep cok- coke coko cook coop cope copo copp coue couk coup cpce cpcu cpep cucc cuce cuck cuek cuk- cuke cupe cupo cupp eccc ecce ecco ecko eco- ecop ecou ecpp eeee eeke eeoc ekco ekek ekpe ekpo epcc epec epee epoc eppc eppo eppp kccc kcck kccu kcec kcee kceo kcep kceu kckc kckk kcko kcoe kcou kcpc kcpo kcpu kcue kcuk kcup keck keco keek keep kekc keke keko keku keok kep- kepc kepe kepu keup kkck kkco kkkk kkoo kkpc kkpk kkup kkuu kock kocp kokc koke kokk koko kokp koku kooc kook kooo koop koou kope kopp kopu koue kouu kpcc kpek kpke kpkk kpoc kpoe kpok kpoo kpop kpou kppc kppk kppo kppp kucc kuce kuco kucp kuek kueu kuke kukk kuku kuok kuoo kuop kupe kupu kuuk kuuu o-eo occc oce ocee ocke ocpp oec- oecc oeec okcu okko okok okpe okpo ooku oooo opec opep opo- oppo oucc oupe ouu- pccc pcce pcep pcoe pcpp pece peck peco peec peek peep peke pekk peko peou pepe pepo poce pock poco poke poko poku pook poop pop- popc pope popo popp pouk poup ppcc pppo pppp pu-e puce puck pueo pueu puke puku pupe pupu puuc uccp ukcc ukek ukeu ukko ukok ukup uocc uoke uppc uppe uppp uppu upup uucp uuoc uuuu