osii osik osin osis oski osku osno osnr osoi osoo osor osos osro ossa ossi osso ossu osun ouan ouii ouin ouir ouis oun- ouna our- oura ourn ouro ours ousa ouu- raak raan raas raia raii raik rain rair rais raiu raka raki rakk raku rana rani rank rann rano rans raok raos rara rari rark raro rars rasa rasi rask raso rass rasu raua rauk raun raus riaa riai riak rian rias riau riia riin riis rika riki rikk riku rina rink rinn rino rion rios riou riri rirs risa risi risk riso riss risu rius rkos rkss rnai rnas rnin roak roan roar roas roia roik roin roio roir rois roiu roka roki rokk roko rokr roks roku rona roni ronk rono rons rooi rook roon roor roos rora rori rork roro roru rosa rosi roso ross roua rouk roun rous rras rrna rrrr rrun rsaa rsai rsis rsna rsnn rsno rsnr rsos rssa rsua ruan ruas ruin ruis ruka ruki rukk rukn ruku runa runi runk runn runo runs ruok rura ruri ruro rurs ruru rusa rusi rusk ruso russ rusu ruun s-ii s-os saak saan saar saas saia saik sain sair sais saka saki sakk sako saks saku sana sani sank sann sano sanr sans sanu saoi saon saor saos saou sara sari sark sarn saro sarr sars saru sasa sasi sask saso sass saua sauk saun saur saus siaa siai siak sian sias siau siik sika siki siko sikr siks siku sina sini sink sinn sino sins sinu sion sior sios siou sira siri sirk siro sirr sirs siru sisa sisi sisk siss sisu siui sius skai skan skar skia skik skin skio skir skis skiu skn- skon skor skra skss skua skui skun skur snak snar snas snia snir snns snoa snoo snor snos snra snrk snrs snur snus soak soan soar soas soia soik soin soir sois soka soki sokk sokn soko soku son- sona soni sonk sono sons sonu sook soon soor soos sora sori sorn soro sorr sors soru sosa sosi soso soss souk soun sour sous sras sris srna srni srnn srno sros ssaa ssan ssao ssas ssau ssin ssis ssns ssra ssri ssrs sssa sssi ssss suan suar suas suin suio suir suis suka suki suks suku sun- suna suni sunk sunn suno suns sunu suor suos sur- sura suri surn suro surr surs suru sus- susa susi susk suso suss susu suus uair uars uaru uasa uaua uira uirr ukai ukko ukok ukon ukra uksa ukur unaa unai unan unar unas unau uni- unia unii unik unin unio unir unis unka unkn unko unks unna unni unno unns unon unos unra unro unrs uns- unsa unso unus uor- urai uran urao uras urau uria urik urin uris uriu urka urna urni urns uro- uroa urok uroo urra urri ursa ursi urso urss ursu uruk urun urur urus us-a us-k usaa usak usan usar usas usia usin usis uska usna usno usnr usnu usoi usos usra ussa ussr usss ussu usua usui usun usus uuni uuno uuri uusi uuuu