pria prii pris prlr prls pro- proa prob prol proo prop pros prps prri prrs prsa prsi prsl prso prss psap psas psbr psia psil psip psis psoa psoi psol psos pspi pspp pspr psps psrp pssa psso raab raas raba rabb rabi rabl rabo rabs raia raii rail raip rair rais rala ralb rall ralo raob raol raop raos rapa rapi rapl rapp raps rara rarb rari raro rars rasa rasi rasl raso rasp rass rbbb rbbr rbbs rbis rbsl rbsp rbss riaa riab riai rial rias rib- riba ribo ribs riia riis rila rill rilo rilp riol rios ripa ripi ripl ripp ripr rips riri rirs risa risi riso risp riss rlab rlls roab roap roar roas rob- roba robb robi robo robs roia roil roio roir rois rola roll rolo rolp roob rooi rool roop roor roos ropa ropo rops rora rori roro rosa rosi roso rosp ross rpii rpls rpob rpos rpps rras rrrr rrsp rsaa rsai rsbi rsis rslp rsos rspb rspo rsps rssa rssl s-ib s-ii s-os saab saal saap saar saas saba sabb sabi sabo sabr sabs saia sail saip sair sais sala sali sall salo salp sals saoi saol saor saos sapa sapi sapo sapp saps sara sari sarl saro sarp sarr sars sasa sasi sasl saso sass sbaa sbai sbar sbas sbbs sbia sbor sbsa sbsi sbsp siaa siab siai sial sias siba sibi sibo sibs sil- sila sili sill silo sils siol siop sior sios sipa sipi sipo sipp sips sira siri siro sirp sirr sirs sisa sisi siss sl-i slaa slab slai slap slas slbp slib slip slir sllp slob sloo slop slos slpi slpp slps slrp slrs slsa soal soap soar soas soba sobo sobp sobr sobs soia soil soir sois sola soli soll solo solp solr sols sool soop soor soos sopa sopi sopo sopp sops sora sorb sori soro sorr sors sosa sosi soso soss sp-a spal spap spar spas spia spib spio spip spir spis spla splo splp splr spls spoo spop spor spos spps spri spro sprs spsa spso spsp spss sras srib sris sros srps srsp ssaa ssab ssao ssap ssas ssbr ssis ssla sslp ssop sspa sspl sspo ssps ssra ssri ssrl ssrs sssa sssb sssi ssss