e-pro eeeee eepee eevee eever eorre erere ereve eroor erore error evere evero everr eveve evoor oeppo oo-er ooooo oovoo opepe opere opovo opper oreo- orere orero oroer over- overo p-rep peere peeve pepee peppe perer perov perre perro perve pervo po-po pooer poope poopo poore poove poper popop popov poppe poppo porer poro- porro pover povvo preop preve proer proor prop- prope propp propr prore prove provo reepe reere reeve repop repor repov reppe repro rere- reree revep rever ro-ro roero rooer roope roore roove roper roppe rorer rover rprop v-pop veere veeve veper verre verve veveo vever voere voore vorre