rars rasa rasi rask rasm rass rasu raua raub rauk raum raus rbbb rbbr rbbs rbis rbmk rbms rbss riaa riab riai riak riam rias riau rib- riba ribs ribu riia riis rika riki rikk riku rima rimi rimm rims rimu riri rirs risa risi risk rism riss risu rius rkss rmas rmbs rras rrkm rrrr rrum rsaa rsai rsbi rsis rsma rssa rsua rsum ruas ruba rubb rubi rubs rubu ruis ruka ruki rukk ruku ruma rumb rumi rumm rums rura ruri rurs ruru rusa rusi rusk russ rusu s-ib s-ii saab saak saam saar saas saba sabb sabi sabr sabs sabu saia saik saim sair sais saka sakb saki sakk saks saku sam- sama sami samm sams samu sara sari sark sarm sarr sars saru sasa sasi sask sasm sass saua sauk saum saur saus sbaa sbai sbar sbas sbbs sbia sbma sbrk sbsa sbsi sbus siaa siab siai siak siam sias siau siba sibi sibs sibu siik siim sika siki sikr siks siku sima simi simm sims sira siri sirk sirr sirs siru sisa sisi sisk siss sisu siui sium sius skab skai skar skia skik skim skir skis skiu skra skss skua skui skum skur smaa smai smak smas smba smia smis smkb smki smrk smss smur smus sram sras srib srim sris srub ssaa ssab ssam ssas ssau ssbr ssis ssra ssri ssrm ssrs sssa sssb sssi sssm ssss suam suar suas sub- suba subb subi subm subs suir suis suka suki suks suku sum- suma sumi sums sumu sur- sura suri surr surs suru sus- susa susi susk suss susu suum suus uair uams uars uaru uasa uaua ubar ubba ubbi ubii ubik ubir ubis ubra uima uims uira uirr ukai ukba ukma ukra uksa ukum ukur umaa umai umak umar umas umb- umba umbi umik umka umma umms umra umri umsa umsu umus urai uras urau urba urbi urbs uria urib urik urim uris uriu urka urma urmi urra urri ursa ursi urss ursu uruk urum urur urus us-a us-k usaa usak usar usas usba usbr usbs usia usim usis uska usma usmm usms usra ussa ussb ussr usss ussu usua usui usus uuri uusi uuuu