iiooio illipi illovo illupi iloilo iolvip iprovo irrour lilipi lilliu lilpop lilpri lilpur liluri lipovo lipovu lippir lirrop lloro lo-pro lollop loloru looloo loplop loulou lourlo louvil louvri lurulu luvovo ol-vir olivil olivio oooooo oopiri opilio oriolo orroli orrour ouioui oulipo pilili piliol pillor pillou pillur pilolo pilori pilour pilpul piopio pioppi pipili pipilo pipipi pipiri pippip pippul pirili pirrip piupiu pluri- pluvi- pluvio poipoi polio- polipo pollio polloi polpol poluli poluru polvil poopoo pop-up popill popoli popopo poporo popovi popovo poppop populi populo poriol porvoo pouoir poupou pourri pppppp priolo priori prioro priour proli- propi- propir propup propur proriv pruili puliol pullip pullup pullur pulpi pulvil puriri purloo purpur puruli r-loop ripoli ripoll rivoli rolli rollio rollup roupov ruurlo ulloor uppoor upprop uproll uruppu v-prop vilovi vilovo viroli virour virovo virpur vivilo volovo voropi vulvo- vvvvvv