e-pro eeeee eepee eerie eieio eipri eirie eorre eppie erere erier erio- eroor erore error ieiri iepe ieper ierei ieroe iiiee iiiii ioooi ioooo iorio ippee ippei irepo irori irrep oeiro oeppo oo-er ooioo ooooo oorie opepe opere opier opio- opir opper oppie oreo- oreoi orere orero oroer oropi p-rep peere peeri peire pepee pepoi peppe peppi perer peri- perie perio perre perri perro piere pieri piiri piper pippi pippo pipri pirie pirre pirri pirro po-po poeir poire pooer poope poopo poore poori poper popoi popop poppe poppi poppo porer poro- poroi porri porro preie preop prier prior proer proor prop- prope propp propr prore reepe reere repop repor reppe repro rere- reree rerip rerir riper ripio rippe ririe ro-ro roero rooer roope roore roper roppe rorer rprop rripe