reis reit reop reos reot repe repi repo repp repr reps rept rere reri rero rers rert rese resi reso resp ress rest rete reti reto retr rets rett ricc rice rico rics rict riep rier ries riet riis rios riot ripe ripi ripp ripr rips ript rire riri rirs risc rise risi riso risp riss rist rite riti rito rits ritt rocc roce roco rocs roer roes roet roio roir rois roit rooi roop roor roos root rope ropo rops rorc rore rori roro rort rosc rose rosi roso rosp ross rost rotc rote roti roto rotr rots rott rpcs rpet rpii rpoe rpos rpps rpts rrrr rrsp rscc rscs rsee rsis rsos rspo rsps rsre rstp rsts rtcc rtce rtee rtei rtes rtps rtss rttp rtts s-ic s-ii s-os sccc scce sccp sccs scct scec scee scep scer scet sci- scic scie scio scip scir scis scit scoo scop scor scot scpe scpi scpo scps scpt scr- scrc scre scri scrs scsc scsi scso scsr scst sctc scto sctr scts se-c se-e se-i se-o se-s se-t sec- secc sece seco secr secs sect seec seep seer sees seet seie seii seip seir seis seit seoc seoi seop sepe sepi sepo sepp sepr seps sept serc sere seri sero serp serr sers sert sesc sese sesi seso sess sest set- setc sete seti seto sets sett sicc sice sici sico sicp sics siec sier sies siit sioe siop sior sios siot sipc sipe sipi sipo sipp sips sipt sirc sire siri siro sirp sirr sirs sirt sisc sise sisi siss sist sit- sitc site siti sito sits sitt soce soci soco socr socs soec soeo soep soes soic soie soir sois soit soop soor soos soot sope sopi sopo sopp sops sore sori soro sorr sors sort sose sosi soso soss sost sotc sote soto sotp sots spcc spco spcs spec spee sper spes spet spic spie spio spip spir spis spit spoc spoo spop spor spos spot spps spri spro sprs spse spso spsp spss spst sptc spto sptr spts srcc srct srec sreo sres sris sros srpc srps srpt srsp srtp srtr sscc ssce ssci sscp sscs ssec ssee ssep sses sset ssis ssit ssoc ssop ssot sspc sspe sspo ssps sspt ssrc ssri ssrs sssc sssi ssss sstc sstp ssts stcc stcp stcs stec stee steo step ster stes stet stic stie stio stip stir stis stit stoe stoo stop stor stos stot stpp stps strc stre stri stro strs stsi stss sttc sttr tccc tcep tcos tcpo tctc tcts teco tecr tecs tect teec teer tees teet teic teie teip teir teis teor teos tepe tepi tepp ter- terc tere teri tero terp terr ters tesc tese teso tesp tess test tete teti teto tetr tets tett ticc tice tico tics tie- tiee tiei tieo tiep tier ties tiet tiit tiop tios tip- tipc tipe tipi tipo tipp tips tipt tire tiri tiro tirr tirs tise tisi tiso tiss tist titc tite titi tito titp tits titt toce toci toco toee toei toer toes toet toie tois toit toor toos toot top- tope topi topo topp tops topt torc tore tori toro torp torr tors tort tosc tose tosi toso toss tost totc tote toti toto totr tots tott tpcp tpcs tper tpir tppp tppr tprs tpsc tpte tptp tptr trcc tre- trec tree trei treo tres tret tri- tric trie trio trip tris trit troc troe troi troo trop tros trot trpc trpe trpp trps trsi trst trtc trte trtr tscc tscp tsec tses tset tsis tsoi tsop tsos tspo tsps tspt tsse tssi tssr tsst tstc tsts ttcp tteo tter ttoe ttop ttss tttt