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 cooze copce copec coppe coppo copte copto cott- cotte cotto cozzo cpctc cteep cttee ecczt ecto- ectot eeeee eepee epcot epopt epote etete ocoee ocote octet octo- oeco- oeppo ooooo opepe optez opto- optot optto otoce ototo pcept pctct pecco peece peete peetz pepco pepee peppe pept- pepto petco pette petto pezet po-po pocop poete poope poopo poote popco popet popop poppe poppo potco potec potee potez potoc potoo potop potpe potte potto pozzo t-pop t-top teepe teoco tepco tepcz tepee tepet teppo tette tocco toco- toece toeto tooze topee topet topo- topot toppo topto toto- totoe totoo totop totte tozee ttttt tzepo zecco zepce zeppo zocco zoppo zotto zztop zzzzz