irsa irse irsg irta irte irti irts irus is-a isac isae isai isar isas isat isca iscc isci iscr iscs isct iscu isea isec isee iser ises iset isgc isia isic isie isis isit isra isrg isri issa issc isse issi issr isss issu ista istc iste isti istr ists isua isus itaa itac itai itar itas itat itcs itea itec iter ites itet itgc itgs itia itic itie itis itra itri itrs itsa itse itsi itsu itta itur iucc iuce iuge iugs iuiu iura iuse iuss iust raag raas raat rac- raca racc race raci racs ract racu raec raeg raer raes raga rage ragg ragi rags ragu raia raic raie raig raii rair rais rait raiu rara rare rari rars rasa rasc rase rasi rass rast rasu rata rate rati rats ratt ratu raua rauc raue raus raut rcac rcas rccc rccs rcet rcga rcgc rcic rcis rcrg rcsa rcsc rcsi rcss rctc rctg rcti rcts rea- reac reae rear reas reat reau reca recc rece reci recr recs rect recu rees reet rega rege regi regr regs regt regu reia reii reir reis reit reiu rera rere rerg reri rers rert reru resa rese resi ress rest reta rete reti retr rets rett reue reus reut reuu rgit rgtr rgts riaa riai rias riat riau rica ricc rice rics rict rier ries riet rieu riga rige rigg rigi rigs rigu riia riis rire riri rirs risa risc rise risi riss rist risu rita rite riti rits ritt ritu riue rius rras rrat rrrr rsaa rsai rscc rscs rsee rsgc rsis rsre rssa rsts rstu rsua rtai rtas rtca rtcc rtce rtcg rtee rtei rtes rtgs rtss rtts ruag ruas ruca ruce ruci ruct ruer rues ruet ruga ruge rugg rugi rugs ruis ruit rura rurc rure ruri rurs ruru rusa ruse rusi russ rust rusu ruta rute ruti ruts rutt rutu s-ic s-ii sa-c saac saae saag saar saas saat saca sacc sace saci sacr sacs sact sacu saer saes saga sage sagg sagi sags sagt sagu saia saic saie sair sais sait sara sarc sare sarg sari sarr sars sart saru sasa sasc sase sasi sass sast sata satc sate satg sati satr sats satt satu saua sauc saue saur saus saut scaa scac scag scai scar scas scat sccc scce sccs scct scea scec scee sceg scer scet scgs sci- scia scic scie scir scis scit scr- scra scrc scre scri scrs scsa scsc scsi scsr scst scsu sctc sctr scts scua scug scur scut se-c se-e se-g se-i se-s se-t se-u seaa seac sear seas seat seau sec- seca secc sece secg secr secs sect secu seea seec seeg seer sees seet seeu sega sege segg segi segs segu seia seie seii seir seis seit seiu sera serc sere serg seri serr sers sert seru sesa sesc sese sesi sess sest set- seta setc sete seti sets sett seui seur sgaa sgac sgau sgca sgce sgcg sger sges sggg sggs sgic sgss sgta sgts siaa siac siae siag siai sias siat siau sica sicc sice sici sics sicu siec sieg sier sies siga sige sigg sigi sigs siit sira sirc sire siri sirr sirs sirt siru sisa sisc sise sisi siss sist sisu sit- sita sitc site siti sits sitt situ siue siui sius siut sras srcc srct srec sres sris srta srtr ssaa ssac ssas ssat ssau ssca sscc ssce ssci sscs ssec ssee sses sset ssgs ssgt ssis ssit ssra ssrc ssrg ssri ssrs sssa sssc sssi ssss ssta sstc ssts stac stae stag stai star stas stat stau stca stcc stcs stcu stea stec stee steg ster stes stet stge stgr stia stic stie stig stir stis stit stra strc stre stri strs stru stsi stss sttc sttr stuc stue stug stur stus stut suar suas suat suc- succ suci sucr sucs suee suer sues suet sueu sug- suga suge sugg sugi suie suig suir suis suit sur- sura surc sure surg suri surr surs surt suru sus- susa suse susi suss sust susu suta sute suti sutu suus taa- taag taar taas taat taca tacc tace taci tacs tact taec taer taes taga tage tagg tagi tags tagu taia taig tair tais tait tara tarc tare targ tari tarr tars tart taru tasa tasc tase tasi tasr tass tast tasu tata tate tati tatr tats tatt tatu taua tauc taue taur taus taut tcca tccc tccu tcga tctc tcts teac tear teas teat teca tecr tecs tect teec teer tees teet tega tegg tegi tegs tegt tegu teia teic teie teir teis teiu ter- tera terc tere teri terr ters teru tesa tesc tese tess test teta tete teti tetr tets tett tetu teut tgcc tgtc tgts tiaa tiar tias tica ticc tice tics tie- tiea tiee tiei tier ties tiet tiga tige tigi tigr tigs tiit tiiu tira tire tiri tirr tirs tiru tisa tise tisi tiss tist tita titc tite titi tits titt titu traa trac trae trag trai tras trat trau trca trcc tre- trea trec tree treg trei tres tret treu trge tri- tria tric trie trig tris trit trra trsi trst trtc trte trtr truc true trug trus trut truu tsaa tsai tsar tsat tsau tsca tscc tscg tsec tses tset tsgt tsia tsig tsis tssa tsse tssg tssi tssr tsst tstc tsts tsui tter ttss tttt tuae tuar tuas tuat tuca tucc tuei tuer tues tuet tuga tugg tugs tugu tuig tuis tuit tuiu tura turc ture turg turi turr turs turt turu tusa tusc tusi tuss tust tuta tute tuti tuts tutt tutu u-ie uaca uaes uair uarc uars uart uaru uasa uata uatu uaua ucai ucar ucas ucat ucca ucci ucea uces ucrc ucsa ucsc ucst ucsu ucua ucut ueir uers uess ugar ugcc ugcg uggs uggt ugia ugis ugra ugri ugta ugur uguu uica uies uige uira uirr uise uist uits urac urai uras urat urau urca urci ure- urea ures uret urga urge urgi urgu uria uric urie uris uriu