nsis nsna nsnr nsos nsra nsrc nssa nssc nsso nssr nsss nstc nsts ntcc ntia ntis ntrc ntsc ntss ntto nttr oaic oais oara oars oasc oasi oass oast oats ocac ocan ocas ocat occa occc occi occn occt ocin ocis ocna ocon ocos ocra ocro ocrr ocrs ocsa oct- octa octi octo octs oici oiii oins oint oion oios oira oirt oisc oist oita oitc oiti onan onar onas onat onc- onca onco onct onia onic onir onis onit onna onni onno onon onor onos onra onsc onso onst ont- ontc onti onto ooaa oocr ooia oona oons oont oooo ooos oora oort oosa oosi oost oots orac orai oran orao orar oras orat orca orci orco orcs ori- oria oric orin orio oris orit orna ornc orni orno orns oro- oron oror oros orot orra orri orro orrs orsa orsi orso orta ortc orto orts osai osan osar osas osat osca oscc osci osco osia osii osin osis osno osnr osoi osoo osor osos osro ossa ossi osso osta ostc osti ostr osts otac otan otar otas otic otin otis otit oto- oton otoo otor otos otra otro otrs otsa otso otta otti otto otts raan raas raat rac- raca racc raci raco racs ract raia raic raii rain rair rais rait rana ranc rani rann rano rans rant raoc raos rara rari raro rars rasa rasc rasi raso rass rast rata rati rato rats ratt rcac rcas rccc rccs rcic rcis rcnr rcon rcos rcsa rcsc rcsi rcss rctc rcti rcts riaa riai rian rias riat rica ricc rico rics rict riia riin riis rina rinn rino rion rios riot riri rirs risa risc risi riso riss rist rita riti rito rits ritt rnai rnas rnco rncs rnin rnnt rnot roan roar roas roat roca rocc roco rocs roia roin roio roir rois roit rona ronc roni rono rons ront rooi roon roor roos root rora rorc rori roro rort rosa rosc rosi roso ross rost rota rotc roti rotn roto rotr rots rott rras rrat rrna rrrr rsaa rsai rscc rscn rscs rsis rsna rsnn rsno rsnr rsos rssa rsts rtai rtan rtas rtca rtcc rtns rtss rtts s-ic s-ii s-os sa-c saac saan saar saas saat saca sacc saci sacn saco sacr sacs sact saia saic sain sair sais sait sana sani sann sano sanr sans sant saoi saon saor saos sara sarc sari sarn saro sarr sars sart sasa sasc sasi saso sass sast sata satc sati satn sato satr sats satt scaa scac scai scan scar scas scat sccc sccs scct sci- scia scic scin scio scir scis scit scna scnr scnt scon scoo scor scot scr- scra scrc scri scrn scrs scsa scsc scsi scsn scso scsr scst sctc sctn scto sctr scts siaa siac siai sian sias siat sica sicc sici sico sics siit sina sini sinn sino sins sint sion sior sios siot sira sirc siri siro sirr sirs sirt sisa sisc sisi siss sist sit- sita sitc siti sitn sito sits sitt snar snas snat snca sncc snco snia snir snit snns snoa snoc snoo snor snos snot snra snrs sntr soan soar soas soat soca soci soco socr socs soia soic soin soir sois soit son- sona soni sono sons sont soon soor soos soot sora sori sorn soro sorr sors sort sosa sosi soso soss sost sota sotc sotn soto sots sras srcc srct sris srna srni srnn srno sros srta srtr ssaa ssac ssan ssao ssas ssat ssca sscc ssci sscs ssin ssis ssit ssns ssoc ssot ssra ssrc ssri ssrs sssa sssc sssi ssss ssta sstc ssts stac stai stan star stas stat stca stcc stcs stia stic stio stir stis stit stnn stnr stns stoa ston stoo stor stos stot stra strc stri strn stro strs stsi stss sttc sttr taa- taan taar taas taat taca tacc taci taco tacs tact taia tain taio tair tais tait tana tani tann tano tans tant taoa taor taos tara tarc tari tarn taro tarr tars tart tasa tasc tasi tasr tass tast tata tati tato tatr tats tatt tcca tccc tcnn tcon tcos tctc tcts tiaa tian tiao tiar tias tica ticc tico tics tiit tina tinc tini tinn tino tins tint tion tios tira tiri tiro tirr tirs tisa tisi tiso tiss tist tita titc titi tito tits titt tnca tncc tnts toan toas toat toca toci toco tois toit tona toni tonn tono tons tooa toon toor toos toot tora torc tori torn toro torr tors tort tosa tosc tosi toso toss tost tota totc toti toto totr tots tott traa trac trai tran trao tras trat trca trcc tri- tria tric trin trio tris trit trna trno troa troc troi tron troo tros trot trra trsi trst trtc trtr tsaa tsai tsao tsar tsat tsca tscc tsia tsin tsis tsna tsoi tsos tssa tssi tssr tsst tstc tsts ttcn tton ttss tttt