e-port effere effete effoff effore effort efreet efter- eototo epopee eroto- errett etoeot ettore f-prot feeror feetof feofor ferfer ferrer ferret ferro- fertee ferter fetter foerre foeto- foetor foofoo footer fopper foppet forpet forrer forrot fortee forter freeof freepr freeto frefre frette froofe fterer fterre ftroop oerter oferre offeet ofpoor oftfor oofotr oooooo oporto oppert optfor optoro ottoor ottope peepee peeper peerer peeter peetre peffer pepero pepper pepto- perere pereto peroff peroor perore perper perpet perree perret perrot perter pertre peteet petoro petree petrer petro- petter pettet poetto poffer pooper poopet poopoo poorer pooter popfor popoff popopo poporo popote popper poppet poppop poptop porete porret porte- portee porter portet portof poteet potere potter pottop pppppp pre-op prefer prefet preffe preore preter pretor pretre prette pretto profer profet proffe profor profre proper propre prote- proter proto- ptero- r-tree reefer reeffe reeper refeet refeff refert refete refoot refret refter repete repope report repper repref reroof reroot reteer reteet reteoo retere retore retort retree retret retro- retrot retter roeper roofer roopee rooper rooter rootof rootte ropeto rorter rotter t-tree teeoff teepee teetee teeter teetop tepoto tepper terete terper terreo terrer terret terror terrot terter tertre tetete tetter to-fro toetoe toffee tofore toofer tooter tootoo topepo topete topfer topoff topote topper toppet toppop torero torfer torope tororo torpor torret tortor totopo totoro totrot totter treeof treete trefet trefor trefot trefte trepot treppe tretee tretop trette troffe tropee troper tropo- troppo trotro trotte