osse ossi osso oste osti ostr osts otee otem oter otes otif otis otit oto- otoe otof otog otoo otor otos otre otro otrs otse otsg otso otte otti otto otts reef reem rees reet refe reff refg refi refr refs reft rege regi regm rego regr regs regt reif reii reim reir reis reit reme remi remo rems reof reog reos reot rere rerg reri rero rers rert rese resi reso ress rest rete reti reto retr rets rett rfef rfem rfgs rgit rgtr rgts rief riem rier ries riet rife riff rifs rift rige rigg rigi rigo rigs riif riis rime rimi rimm rimo rims riom rios riot rire riri rirs rise risi rism riso riss rist rite riti rito rits ritt rmif rmrg rmst roeg roer roes roet rofe roff rofo roge rogg rogi rogo roif roig roio roir rois roit rome romi romm romo roms roof roog rooi room roor roos root rore rori roro rort rose rosi roso ross rost rote rotg roti roto rotr rots rott rrif rrrr rsee rsis rsme rsmg rsos rsre rsts rtee rtei rtes rtfm rtgs rtmi rtms rtss rtts s-ii s-os se-e se-f se-g se-i se-o se-s se-t seef seeg seem seer sees seet seff sefi seft sege segg segi sego segs seie seif seii seim seir seis seit seme semi sems seoi sere serf serg seri serm sero serr sers sert sese sesi seso sess sest set- sete setf seti seto sets sett sfer sfio sfmm sfog sfor sfos sfro sfss sfts sgef sgem sger sges sggg sggs sgio sgro sgsm sgss sgts sief sieg sier sies sife siff sifo sifr sift sige sigg sigi sigo sigs siim siit sime simi simm simo sims simt sioe sior sios siot sire sirf siri siro sirr sirs sirt sise sisi siss sist sit- site siti sito sits sitt smee smeg smei smet smgs smie smif smig smis smit smof smog smos smot smrf smrt smss smte smti soem soeo soes sofi sofo soft sogi sogo sogs soie soif soim soir sois soit some somi somm somo soof soog soom soor soos soot sore sorg sori sorm soro sorr sors sort sose sosi soso soss sost sote sotm soto sots srem sreo sres srfi srim sris sros srtr ssee ssem sses sset ssgs ssgt ssis ssit ssot ssrg ssri ssrm ssrs sssf sssi sssm ssss ssts stee stef steg stem steo ster stes stet stge stgr stie stif stig stim stio stir stis stit stms stmt stoe stof stog stom stoo stor stos stot stre stri stro strs stsf stsi stsm stss sttr t-mo teef teem teer tees teet teff tefi teft tegg tegi tego tegs tegt teie teim teir teis teme temo tems teom teor teos ter- tere terf teri term tero terr ters tese teso tess test tete teti teto tetr tets tett tfot tfrs tfsi tfss tgif tgts tie- tiee tief tiei tieo tier ties tiet tiff tifo tift tige tigi tigm tigr tigs tiit time timi timm timo tims tios tire tiri tiro tirr tirs tise tisi tism tiso tiss tist tite titi tito tits titt tmge tmos tmro tmsi tmtt toee toei toer toes toet toff tofi tofo toft toge togo togr togs togt toie tois toit tome tomg tomi tomm tomo toms tomt toof toom toor toos toot tore torf torg tori torm toro torr tors tort tose tosi toso toss tost tote toti totm toto totr tots tott tre- tree tref treg trei trem treo tres tret trfm trfr trge tri- trie trif trig trim trio tris trit trmi trms troe trog troi trom troo tros trot trsi trst trte trtr tses tset tsfm tsgt tsig tsis tsoi tsom tsos tsse tssf tssg tssi tssm tssr tsst tstm tsts tteo tter ttff ttim ttms ttoe ttss tttt