l-pop l-ron lollo lolol lopon lopou loron lorun lorup louro lovro lulov lulul lupul lurun lurup lvovo n-p-n nnooo no-no no-op non-u nonno nonop noonu nopun noron norro norun norvo novlu novo- nu-nu nullo nunon nunun nuoro nuovo nuprl nupur nurlu nurun ollon ollup ollur olour olovo onoon onorn onour onpop ooooo oovoo oploo opovo oppol oppon orlon orlop orlov ornon orolu orono oruro oullo oulon oulun ouoro ourno ourol ovolo p-n-p ploop plopp plopu plupp plurn po-on po-po pollo pollu polon polop polur polvo ponnu ponor ponup poopo poplr popon popop popov poppo popup porn- porno poro- poron porro porur poulp povvo prlov proll prolo proor prop- propl propn propp propr provn provo prun- pruno pull- pullu punon puppo puro- purul ro-ro rollo rolon ronno roull rovon rprop rullo rulon runo- runon runup u-pop ullur ulno- uloop ulpur ululu uluru unnun unnur unoor unorn unrol unrun unurn upnor upolo upolu uppon uprun urour uuuuu uvrou v-pop volno volon volvo vonnu voorn vooru vornu voron vorup voulu vouno vroon vulv-