e-pro eeeee eepee eerie eevee eever efere eferi effer effie effio efore efrei eieio eipri eirie eivor eofor eorre eppie erere ereve erier eriff erio- eroor erore error ervie eveof evere everi evero everr eveve evoir evoor feeor feere fefor feier feoff ferie ferio ferr- ferre ferri ferro fever fevre fieee fieri fiero fifer fifie fiore fiori firee firei firer firie firpo firre fiveo fiver foir- foire foore fore- foreo forio forro forvo freei freep freer freir frere frevo frier fripp froop frore frovi ieiri iepe ieper ierei ieroe iever if-- ifere ifive iiiee iiiii ioffe ioooi ioooo iorio iperf ippee ippei irepo irori irrep ivore ivver ivvvo o-fer oeiro oeppo ofeve offer offie offir offof offre ofori ofpie ofpop oo-er ooioo ooooo oorie oovoo opepe opere opier opio- opir opovo opper oppie oreo- oreoi orere orero orfei orfeo orfoe orfor oroer oropi over- overo oviri ovivo p-rep peere peeri peeve peire pepee pepoi peppe peppi perer peri- perie perio perov perre perri perro perve pervo pforp piere pieri piero pieve piiri piove piper pippi pippo pipri pirie pirre pirri pirro pivie po-po poeir poire pooer poope poopo poore poori poove poper popoi popop popov poppe poppi poppo porer poro- poroi porri porro pover povir povvo preef preff preie preif preop preve prief prier prife prior prive privo proer profe proff proif proiv proof proor prop- prope propp propr prore prove provo reefe reepe reere reeve refer reffe reffo reiff reive repop repor repov reppe repro rere- reree rerip rerir revep rever revie revir ri-fi riefe rieve rifer riife riper ripio rippe ririe river ro-ro roero roffe rofor rooer roofe roope roore roove roper roppe rorer rover rovio rperf rprop rripe rvivr v-pop veere veeri veeve veire veive veper verie verio verre verri verve veveo vever vieri vievo viiri viper virei vireo virii viro- virre virve viver vivi- vivir vivre voere voire voore vorfe vorie vorre