-tree c-p-c c-tec ccccc ccett cecyt ceere cepet cerc- cerce cerec cerer ceret cerre certe certy cette cetty cpctc crece crecy creep creer crepe crept crepy crete cryer crypt cteep ctree cttee cyete cypre cyrt- cytec cytee cytte cytyc eeeee eepee eperc erect erept erere errey erte erter etete etree etter etype eyere eyrer p-rep pcept pcert pctct peece peepy peere peert peery peete pepee peppe peppy pept- perce percy perec perer peret perre perry perte perty peryr peter petey petr- petre petry pette petty petyt peyce peyer peyet peyre pprey prece precy prete prety preye pryce pryer pter- ptere ptprc ptpre ptprr ptprt pyece pyere pyper pyppe pyr-t pyree pyrre pyrye pytec pytee pytte pytye recce reccy recep recet recpt recry rect- recte recyt reece reepe reere repec repet reppe reprt repry repyt rere- reree reret retee reter retry rette reyte rpety rytte ryyty teepe teety tepee tepet terce teret terre terry tert- teter tetr- tette tetty teyre treer treet treey trepp trept trere trete trett trety treye tryce tryer tryte ttttt ttype tyere typec typee typer typey tyree tyrer tyret tytte ye-ye yeere yeter yette yeyre ytter yyete