rits ritt rkos rkss rkts roer roes roet roik roio roir rois roit roke roki rokk roko rokr roks rooi rook roop roor roos root rope ropo rops rore rori rork roro rort rose rosi roso rosp ross rost rote roti rotk roto rotr rots rott rpet rpii rpoe rpos rpps rpts rrrr rrsp rsee rsis rsos rspk rspo rsps rsre rstp rsts rtee rtei rtes rtps rtss rttp rtts s-ii s-os se-e se-i se-k se-o se-s se-t seek seep seer sees seet seie seii seik seip seir seis seit seke seki sekk seko sekt seoi seok seop sepe sepi sepo sepp sepr seps sept sere seri serk sero serp serr sers sert sese sesi seso sess sest set- sete seti seto sets sett siek sier sies siik siit sike siki siko sikr siks sioe siop sior sios siot sipe sipi sipo sipp sips sipt sire siri sirk siro sirp sirr sirs sirt sise sisi sisk siss sist sit- site siti sito sits sitt skee skei skeo skep sker skes sket skie skik skio skip skir skis skit skoe skop skor skot skpo skrt skss soeo soep soes soie soik soir sois soit soke soki sokk soko sook soop soor soos soot sope sopi sopo sopp sops sore sori soro sorr sors sort sose sosi soso soss sost sote sotk soto sotp sots spee spek sper spes spet spie spik spio spip spir spis spit spke spkr spok spoo spop spor spos spot spps spri spro sprs spse spso spsp spss spst spto sptr spts sreo sres sris sros srps srpt srsp srtp srtr ssee ssep sses sset ssis ssit ssop ssot sspe sspo ssps sspt ssri ssrs sssi ssss sstp ssts stee stek steo step ster stes stet stie stik stio stip stir stis stit stks stoe stok stoo stop stor stos stot stpp stps stre stri strk stro strs stsi stss sttr teek teer tees teet teie teip teir teis teke teok teor teos tepe tepi tepp ter- tere teri terk tero terp terr ters tese teso tesp tess test tete teti teto tetr tets tett tie- tiee tiei tieo tiep tier ties tiet tiit tike tiki tiko tiop tios tip- tipe tipi tipo tipp tips tipt tire tiri tiro tirr tirs tise tisi tiso tiss tist tite titi tito titp tits titt tkip tkos tkts toee toei toek toer toes toet toie tois toit toke toki toko took toor toos toot top- tope topi topo topp tops topt tore tori tork toro torp torr tors tort tose tosi tosk toso toss tost tote toti toto totr tots tott tper tpir tpke tpks tppp tppr tprs tpte tptp tptr tre- tree trei trek treo tres tret tri- trie trik trio trip tris trit troe troi troo trop tros trot trpe trpp trps trsi trst trte trtr tses tset tsis tsks tsoi tsop tsos tspo tsps tspt tsse tssi tssr tsst tsts tteo tter ttoe ttop ttss tttt