c-p-c c-pop c-tec ccccc ccett ceco- ceoce cepet cepot ceppo ceto- cette co-co co-op cocc- cocce cocco coceo cocto coepe coete cooee coope coopt coote copce copec coppe coppo copte copto cott- cotte cotto cpctc cteep cttee ecto- ectot eeeee eepee epcot epopt epote etete ocoee ocote octet octo- oeco- oeppo ooooo opepe opto- optot optto otoce ototo pcept pctct pecco peece peete pepco pepee peppe pept- pepto pette petto po-po pocop poete poope poopo poote popco popet popop poppe poppo potco potec potee potoc potoo potop potpe potte potto t-pop t-top teepe teoco tepco tepee tepet teppo tette tocco toco- toece toeto topee topet topo- topot toppo topto toto- totoe totoo totop totte ttttt