l-pop llrrs lollo lolls lolol lolos lools loops loosu lopou loros lorup loups louro lours louss lulls lulul lulus lupsu lupul lupus lurup luso- lusso lusus ollup ollur olour olous ooooo oploo oppol oppos orlop orlos orolu oroso orosu oruro ososo ossos ossur osusu oullo ouoro ourol ploop plopp plops plopu plupp po-po pollo polls pollu polop polos polur polus pools poopo poops poors poplr popop popos poppo popup poro- poros porro porur porus posol poulp pours pouss proll prolo proor prop- propl propp propr props pros- proso pross pruss psor- psoup pull- pulls pullu pulps puppo purls puro- puros purrs purul purus puurs ro-ro rollo rolls rolos roops ropos rosol rosso rosss rosu roull roups rprop rrsps rullo rusor russo s-o-r sloop sloor sloos slops slorp sloss sloup slour slurp slurs sluss so-lo so-so solor solos solus soolu sooru sopor soppo sopup sorol soror soros sorso sorsu sorus soss- sosus soulo souls soups sours sous- spol spool spoor spor- sporl sporo spors sposo spoul spurl spurr spurs spuul sssss sulls sulur sulus supls supor suppl supps supur surpu surul surur surus susso susus u-pop ullur uloop ulous ulpur ululu uluru uorps upolo upolu uros urour urous ursus usour usurp uuuuu