rids ried rier ries riet riis rios riot rire riri rirs risc risd rise risi riso riss rist rite riti rito rits ritt rocc roce roco rocs rodd rode rodi rodo rods roed roer roes roet roid roio roir rois roit rood rooi roor roos root rorc rore rori roro rort rosc rose rosi roso ross rost rotc rote roti roto rotr rots rott rred rrrr rscc rscs rsdd rsds rsee rsid rsis rsos rsre rsts rtcc rtce rtdt rtee rtei rtes rtss rtts s-ic s-ii s-os sccc scce sccs scct scdc scds scec scee scer scet sci- scic scid scie scio scir scis scit scoo scor scot scr- scrc scre scri scrs scsc scsd scsi scso scsr scst sctc sctd scto sctr scts sdcc sdco sddc sdds sder sdes sdet sdic sdio sdot sdrc sdrs sdsc sdss se-c se-d se-e se-i se-o se-s se-t sec- secc secd sece seco secr secs sect sede sedo seds seec seed seer sees seet seid seie seii seir seis seit seoc seod seoi serc serd sere seri sero serr sers sert sesc sese sesi seso sess sest set- setc sete seti seto sets sett sicc sice sici sico sics sidd side sidi sido sidr sids siec sied sier sies siit siod sioe sior sios siot sirc sire siri siro sirr sirs sirt sisc sisd sise sisi siss sist sit- sitc sitd site siti sito sits sitt soce soci soco socr socs sodd sode sodo sods soec soeo soes soic soie soir sois soit sood soor soos soot sord sore sori soro sorr sors sort sose sosi soso soss sost sotc sote soto sots srcc srct srde srec sreo sres sris sros srsd srtr sscc ssce ssci sscs ssdc ssdd ssec ssee sses sset ssid ssis ssit ssoc ssot ssrc ssri ssrs sssc sssi ssss sstc sstd ssts stcc stcs stds stec sted stee steo ster stes stet stic stid stie stio stir stis stit stod stoe stoo stor stos stot strc strd stre stri stro strs stsi stss sttc sttd sttr tccc tcdd tcos tctc tcts tdes tdis tdor tdri tdse tdss teco tecr tecs tect tedd tede tedi teds teec teed teer tees teet teic teie teir teis teor teos ter- terc tere teri tero terr ters tesc tesd tese teso tess test tete teti teto tetr tets tett ticc tice tico tics tidc tidd tide tids tie- tied tiee tiei tieo tier ties tiet tiit tios tird tire tiri tiro tirr tirs tise tisi tiso tiss tist titc tite titi tito tits titt toce toci toco todd tode todi todo tods todt toed toee toei toer toes toet toid toie tois toit tood toor toos toot torc tord tore tori toro torr tors tort tosc tose tosi toso toss tost totc totd tote toti toto totr tots tott trcc tre- trec tred tree trei treo tres tret tri- tric trie trio tris trit troc trod troe troi troo tros trot trsd trsi trst trtc trte trtr tscc tsec tses tset tsid tsis tsoi tsos tsse tssi tssr tsst tstc tsts tteo tter ttoe ttss tttt