-tree c-met c-p-c c-tec ccccc ccett ceere cemec cemre cepet cerc- cerce cerec cerer ceret cerre certe cetme cette cmere cpcfc cpctc crece creem creep creer creft creme cremp crepe crept crete cteep ctree cttee ectfe eeeee eemct eepee efere efetf effer effet efrem efter emcee emeer emere emert emmer emmet empee empte emtec emtee eperc eptfe erect erem- erept erere erte erter etete etree etter feeme feere femme ferce feret ferme ferr- ferre ferte feter fette frcpc freep freer freet freme fremm frere frett ftrtt mcfee mcree mcrpc meece meefe meere meete memer merce merer meret merre merte meter metr- metre mette mmccc mmmcc mmmmm mpret mrmet mt-tc mt-te mt-tf mt-tm mt-tp mt-tr mt-tt mtepe mterf mtfmt mtree p-fem p-rep pcept pcert pctct peece peere peert peete pepee peppe pept- perce perec perer peret perre perte peter petr- petre pette pmftc prece preef preem preff preme premp prete pter- ptere ptprc ptpre ptprf ptprm ptprr ptprt recce recep recet recpt rect- recte reece reefe reeft reeme reepe reere refer refet reffe refme remee remer remet repec repet reppe reprt rere- reree reret retee retem reter rette rperf rtrfm tcpmp teeme teepe tefe tempe tempt tepee tepet terce terem teret terme terre tert- teter tetr- tette tmcft treer treet trefe treff treme tremp trepp trept trere trete trett ttttt