a-ii a-iv aaaa aaab aaai aaar aaas aaav aaba aabb aabi aabt aaib aaii aais aara aari aars aart aasa aasi aass aast aata aatt aava abaa abab abai abar abas abat abb- abba abbb abbi abbr abbs abbt abia abib abir abis abit abra abri abrs abs- absa absi abss abta abts abva aiai aias aiba aiia aiib aiir aira airi airs airt aisa aisb aisi aisr aist aita aiti aitr aits aitt aiva arab arai arar aras arat arba arbi arbs aria arib arii aris arit arr- arra arri arrr arrs arrt ars- arsa arsi arst arta arti artr arts artv arva arvi asaa asab asai asar asas asat asba asia asii asir asis asit asra asrs assa assi assr asss asst asta astb asti astr asts astv asva asvs at-t ataa atab atai atar atas atat atbs atia atis atit atra atri atsb atsi atst atta atti attr atts atvi atvs avab avar avas avat avia avis avit aviv avra avri avst avva ba-i baaa baar baas baat baba babb babi babr babs baia baib bair bais bait bar- bara barb bari barr bars bart basa basi bass bast bata bati bats batt bava bavi bbas bbbb bbbs biar bias biat biba bibb bibi bibs biis bira birb biri birr birs birt bis- bisa biss bist bita bits bitt bivi brab brai bras brat brav bria bris brit brrr brrs brsb brsr brst brvi bsaa bsas bsat bsra bsts bstv btaa btrt btss bttb btvi iaaa iaai iaas iaat iaba iaia iais iara iars iart iasa iasi iasr iata iati iava ibar ibas ibat ibia ibis ibra ibri ibsa ibss ibtb ibts iias iiii iiis iiit iira iirs iisi iisr iist iita iitr iitt irai irar iras iri- iria iris irra irri irrs irsa irta irti irts irvs is-a isai isar isas isat isba isbt isia isis isit isra isri issa issi issr isss ista isti istr ists itaa itai itar itas itat itbs itia itis itra itri itrs itsa itsi itta ivai ivar ivbv ivrs raab raas raat raba rabb rabi rabs raia raii rair rais rait rara rarb rari rars rasa rasi rass rast rata rati rats ratt rava ravi rbbb rbbr rbbs rbis rbss rbst riaa riab riai rias riat rib- riba ribs riia riis riri rirs risa risi riss rist rita riti rits ritt riva rivs rras rrat rrrr rsaa rsai rsbi rsis rssa rsts rtai rtas rtss rtts rtva rtvi s-ib s-ii s-iv s-vt saab saar saas saat saba sabb sabi sabr sabs saia sair sais sait saiv sara sari sarr sars sart sarv sasa sasi sass sast sata satb sati satr sats satt sava savi savs sbaa sbai sbar sbas sbbs sbia sbsa sbsi sbst siaa siab siai sias siat siba sibi sibs siit sira siri sirr sirs sirt sisa sisi siss sist sit- sita siti sits sitt siva sivi sras srib sris srta srtr srtv ssaa ssab ssas ssat ssbr ssis ssit ssra ssri ssrs sssa sssb sssi ssss ssta sstb ssts st-v stab stai star stas stat stbs stia stib stir stis stit stra stri strs stsi stss sttr stvs svar svir svit svtr taa- taar taas taat taba tabb tabi tabs taia tair tais tait tara tarb tari tarr tars tart tasa tasb tasi tasr tass tast tata tatb tati tatr tats tatt tatv tava tavi tavs tbar tbas tbbs tbit tbrb tbst tbta tbvi tiaa tiab tiar tias tiba tibi tibs tiit tira tirb tiri tirr tirs tisa tisb tisi tiss tist tita titi tits titt tiva tivi traa trab trai tras trat trav tri- tria trib tris trit trra trsi trst trtr trvs tsaa tsai tsar tsat tsav tsia tsis tsiv tssa tssi tssr tsst tsts tsvi ttab ttbb ttss tttt tvbs tvis tvri tvrr tvsa tvss tvtv vaar vaas vaat vabs vaia vair vais vait vara vari varr vars vart vas- vasa vasi vass vast vata vati vats vatt vava vavs viar vias vibs viii vira virb viri virr virt visa visi viss vist vita viti vitt viva vivi vrai vras vrav vrba vria vris vrsa vrsi vsta vt-i vtrs vvsb vvvv