rrsp rscc rscs rsdd rsds rsee rsid rsis rsps rsre rstp rsts rtcc rtce rtdt rtee rtei rtes rtps rtss rttp rtts s-ic s-ii sccc scce sccp sccs scct scdc scdp scds scec scee scep scer scet sci- scic scid scie scip scir scis scit scpe scpi scps scpt scr- scrc scre scri scrs scsc scsd scsi scsr scst sctc sctd sctr scts sdcc sddc sdds sdep sder sdes sdet sdic sdpr sdps sdrc sdrs sdsc sdss se-c se-d se-e se-i se-s se-t sec- secc secd sece secr secs sect sede seds seec seed seep seer sees seet seid seie seii seip seir seis seit sepd sepe sepi sepp sepr seps sept serc serd sere seri serp serr sers sert sesc sese sesi sess sest set- setc sete seti sets sett sicc sice sici sicp sics sidd side sidi sidr sids siec sied sier sies siit sipc sipe sipi sipp sips sipt sirc sire siri sirp sirr sirs sirt sisc sisd sise sisi siss sist sit- sitc sitd site siti sits sitt spcc spcs spdc spde spdp spdr spdt spec sped spee sper spes spet spic spie spip spir spis spit sppd spps sprd spri sprs spsd spse spsp spss spst sptc sptr spts srcc srct srde srec sres sris srpc srps srpt srsd srsp srtp srtr sscc ssce ssci sscp sscs ssdc ssdd ssdp ssec ssee ssep sses sset ssid ssis ssit sspc sspe ssps sspt ssrc ssri ssrs sssc sssi ssss sstc sstd sstp ssts stcc stcp stcs stds stec sted stee step ster stes stet stic stid stie stip stir stis stit stpd stpp stps strc strd stre stri strs stsi stss sttc sttd sttr tccc tcdd tcep tctc tcts tdes tdis tdri tdse tdss tecr tecs tect tedd tede tedi teds teec teed teer tees teet teic teie teip teir teis tepe tepi tepp ter- terc tere teri terp terr ters tesc tesd tese tesp tess test tete teti tetr tets tett ticc tice tics tidc tidd tide tids tie- tied tiee tiei tiep tier ties tiet tiit tip- tipc tipe tipi tipp tips tipt tird tire tiri tirr tirs tise tisi tiss tist titc tite titi titp tits titt tpcd tpcp tpcs tped tper tpir tppd tppp tppr tprs tpsc tpte tptp tptr trcc tre- trec tred tree trei tres tret tri- tric trie trip tris trit trpc trpe trpp trps trsd trsi trst trtc trte trtr tscc tscp tsec tses tset tsid tsis tsps tspt tsse tssi tssr tsst tstc tsts ttcp tter ttss tttt