rccs rcep rcet rcfc rcic rcis rcpi rcps rcpt rcsc rcsi rcss rctc rcti rcts recc rece reci recp recr recs rect recu reef reep rees reet refe reff refi refr refs reft refu reif reii reir reis reit reiu repe repi repp repr reps rept repu rere reri rers rert reru rese resi resp ress rest rete reti retr rets rett reue reuf reup reus reut reuu rfef rffc rfic rftc ricc rice rics rict rief riep rier ries riet rieu rife riff rifs rift rifu riif riis ripe ripi ripp ripr rips ript rire riri rirs risc rise risi risp riss rist risu rite riti rits ritt ritu riue rius rpcs rpet rpfc rpii rpps rpts rrfc rrif rrrr rrsp rscc rscs rsee rsfc rsis rsps rsre rstp rsts rstu rtcc rtce rtee rtei rtes rtfc rtps rtss rttp rtts ruce ruci ruct ruer rues ruet rufc rufe ruff ruft ruif ruis ruit rupe rupp rupt rurc rure ruri rurp rurs ruru ruse rusi russ rust rusu rute ruti ruts rutt rutu s-ic s-ii sccc scce sccp sccs scct scec scee scep scer scet scfc scfe scfi sci- scic scie scif scip scir scis scit scpe scpi scps scpt scr- scrc scre scri scrs scsc scsi scsr scst scsu sctc sctr scts scup scur scut se-c se-e se-f se-i se-s se-t se-u sec- secc sece secr secs sect secu seec seef seep seer sees seet seeu seff sefi seft seie seif seii seip seir seis seit seiu sepe sepi sepp sepr seps sept sepu serc sere serf seri serp serr sers sert seru sesc sese sesi sess sest set- setc sete setf seti sets sett seui seur sfcc sfcs sfer sffc sfpc sfrc sfss sfsu sftp sfts sicc sice sici sicp sics sicu siec sief sier sies sife siff sifr sift sifu siit sipc sipe sipi sipp sips sipt sirc sire sirf siri sirp sirr sirs sirt siru sisc sise sisi siss sist sisu sit- sitc site siti sits sitt situ siue siui sius siut spcc spcs spec spee spef sper spes spet spfc spfs spic spie spip spir spis spit sppf spps spri sprs spse spsp spss spst sptc sptr spts spue spui spur spus sput srcc srct srec sres srfc srfi sris srpc srps srpt srsp srtp srtr sscc ssce ssci sscp sscs ssec ssee ssep sses sset ssfc ssfp ssis ssit sspc sspe sspf ssps sspt ssrc ssri ssrs sssc sssf sssi ssss sstc sstp ssts stcc stcp stcs stcu stec stee stef step ster stes stet stfc stfu stic stie stif stip stir stis stit stpf stpp stps strc stre stri strs stru stsf stsi stss sttc sttr stuc stue stuf stup stur stus stut suc- succ suci sucr sucs suee suer sues suet sueu suf- sufc suff sufi sufr sufs sufu suie suir suis suit sup- supe supp supr sups supt sur- surc sure surf suri surp surr surs surt suru sus- suse susi susp suss sust susu sute suti sutu suus tccc tccu tcep tcfc tctc tcts tecr tecs tect teec teef teer tees teet tefc teff tefi teft teic teie teip teir teis teiu tepe tepi tepp tepu ter- terc tere terf teri terp terr ters teru tesc tese tesp tess test tete teti tetr tets tett tetu teut tfcu tfec tfpt tfrs tfsi tfss tftc tftp ticc tice tics tie- tiee tief tiei tiep tier ties tiet tiff tift tiit tiiu tip- tipc tipe tipi tipp tips tipt tipu tire tiri tirr tirs tiru tise tisi tiss tist titc tite titi titp tits titt titu tpcp tpcs tper tpir tppp tppr tprs tpsc tpte tptp tptr tput trcc tre- trec tree tref trei tres tret treu trfc trfr tri- tric trie trif trip tris trit trpc trpe trpp trps trsi trst trtc trte trtr truc true trus trut truu tscc tscp tsec tses tset tsfc tsis tsps tspt tsse tssf tssi tssr tsst tstc tsts tsui tsup ttcp tter ttfc ttff ttss tttt tucc tuei tuer tues tuet tufc tufe tuff tufi tuft tufu tuis tuit tuiu tupe tupi tups tupu turc ture turf turi turp turr turs turt turu tusc tusi tuss tust tute tuti tuts tutt tutu u-ie u-rp ucci uccp uces ucrc ucsc ucsf ucst ucsu ucut ueir uepi uers uess ufcu ufer uffe ufip uftp uies uipi uirr uise uist uits upci upcs upic upie upis uppc uppe uppp uppu upri upsc upse upsi upup urci ure- ures uret urfe urff urfi urft uric urie urif uris uriu urre urri urse ursi urss ursu urte urts urup urur urus urut uscc usce uscf uscs usee usef user uses uset usfc usfi usfs usie usif usip usis uspc uspp usps ussc usse ussf ussr usss usst ussu ustc uste usti ustp usts usui usus utec utep uter utes utis utri utsc utti uttu uucp uuri uusi uutf uuuu