riss rist rite riti rits ritt rmsc rmst rred rrmc rrrr rscc rscs rsdd rsds rsee rsid rsis rsme rsre rsts rtcc rtce rtcm rtdt rtee rtei rtes rtmc rtmi rtms rtss rtts s-ic s-ii sccc scce sccm sccs scct scdc scds scec scee scer scet sci- scic scid scie scim scir scis scit scmc scmm scms scr- scrc scre scri scrs scsc scsd scsi scsr scst sctc sctd sctr scts sdcc sddc sdds sder sdes sdet sdic sdms sdrc sdrs sdsc sdsm sdss sdtm se-c se-d se-e se-i se-s se-t sec- secc secd sece secr secs sect sede seds seec seed seem seer sees seet seid seie seii seim seir seis seit semc seme semi sems serc serd sere seri serm serr sers sert sesc sese sesi sess sest set- setc sete seti sets sett sicc sice sici sicm sics sidd side sidi sidr sids siec sied sier sies siim siit simd sime simi simm sims simt sirc sire siri sirr sirs sirt sisc sisd sise sisi siss sist sit- sitc sitd site siti sits sitt smcc smdc smdr smec smed smee smei smet smic smid smie smis smit smrt smsc smsd smss smtc smtd smte smti srcc srct srde srec srem sres srim sris srmc srsd srtr sscc ssce ssci sscs ssdc ssdd ssdm ssec ssee ssem sses sset ssid ssis ssit ssmc ssrc ssri ssrm ssrs sssc sssi sssm ssss sstc sstd ssts stcc stcs stdm stds stec sted stee stem ster stes stet stic stid stie stim stir stis stit stmc stms stmt strc strd stre stri strs stsi stsm stss sttc sttd sttr tccc tcdd tctc tcts tdes tdis tdmi tdri tdse tdss tecr tecs tect tedd tede tedi tedm teds teec teed teem teer tees teet teic teie teim teir teis teme tems ter- terc tere teri term terr ters tesc tesd tese tess test tete teti tetr tets tett ticc tice tics tidc tidd tide tids tie- tied tiee tiei tier ties tiet tiit time timi timm tims tird tire tiri tirr tirs tise tisi tism tiss tist titc tite titi tits titt tmcc tmcm tmed tmsc tmsi tmtt trcc tre- trec tred tree trei trem tres tret tri- tric trie trim tris trit trmd trmi trms trsd trsi trst trtc trte trtr tscc tsec tses tset tsid tsis tsmc tsse tssi tssm tssr tsst tstc tstm tsts tter ttim ttms ttss tttt