a-fu a-ii a-iv aaaa aaab aaaf aaai aaar aaav aaba aabb aabi aabt aafa aafb aaff aafi aaib aaii aara aari aart aaru aata aatf aatt aava abaa abab abaf abai abar abat abau abb- abba abbb abbi abbr abbt abff abia abib abir abit abiu abra abri abta abtu abua abuf abut abva afaa afar afat affa affi afft afia afib afif afir afit afr- afra afri afru afta afua aiai aiba aiff aifv aiia aiib aiir aira airi airt aita aitf aiti aitr aitt aitu aiui aiva arab araf arai arar arat arau arba arbi arfa arfb arff arft arfu aria arib arif arii arit arr- arra arri arrr arrt arru arta arti artr artv arua arub arui arut arva arvi at-t ataa atab atai atar atat atfb atia atif atit atiu atra atri atru atta atti attr attu atua atub atur atvi auaa aufi aur- aura auri aut- avab avar avat avia avit aviv avra avri avui avur avva ba-i baaa baaf baar baat baba babb babi babr babu baff baft baia baib bair bait bar- bara barb barf bari barr bart baru bata batf bati batt batu bau- bauf baur bava bavi bavu bbau bbbb bfta bftt biaf biar biat biba bibb bibi bifa biff bifi bira birb biri birr birt biru bita bitt bitu bivi brab braf brai brat brau brav brfu bria brit brrr brut bruv brvi btaa btaf btrt bttb btvi buar buat buba bubb bubi bubu buff bufr buif buir buit buiu bur- bura burb buri burr burt buru but- buta buti butt faaa faba fabi fabu fafa faff fafi fair fait fara farb farr fart faru fata fatf fati fatt faur faut fava favi fbar ffar ffff ffii ffrr fftf fiaa fiaf fiar fiat fiba fifa fiff fifi fift fiii fira fita fiti fitt fiua fivb fr-v frab frat frau fria frib frit frta frub frvt ftii ftub fuar fuat fubb fubu fuff fufu fuir fuit fur- fura furi furr furt futa futi futu iaaa iaai iaat iaba iaff iaia iara iart iaru iata iati iava ibar ibat ibfi ibia ibra ibri ibtb ifaa ifar ifat ifbb ifit ifra ifrb ifrf ifri ifta ifva iifa iiii iiit iira iita iitr iitt iraf irai irar irfu iri- iria irra irri irta irtf irti itaa itaf itai itar itat itfa itia itif itra itrf itri itta ittf itur iuiu iura ivai ivar ivbv raab raaf raat raba rabb rabi rabu rafa raff rafi raft raia raif raii rair rait raiu rara rarb rarf rari rata ratf rati ratt ratu raua raub rauf raut rava ravi rbaf rbbb rbbr riaa riab riai riat riau rib- riba ribu rifa riff rift rifu riia riif riri rita riti ritt ritu riva rrat rrif rrrr rtai rtbf rtfb rtva rtvi ruba rubb rubi rubu rufa ruff ruft ruif ruit rura ruri ruru ruta ruti rutt rutu ruvi ruvu taa- taaf taar taat taba tabb tabi tabu tafa taff tafi taft taia tair tait tara tarb tarf tari tarr tart taru tata tatb tati tatr tatt tatu tatv taua taub taur taut tava tavi tbaf tbar tbit tbrb tbta tbvi tiaa tiab tiaf tiar tiba tibi tibu tifa tiff tift tiit tiiu tira tirb tiri tirr tiru tita titi titt titu tiva tivi traa trab traf trai trat trau trav trfr tri- tria trib trif trit trra trtr trub trut truu ttab ttbb ttfa ttff tttt tuar tuat tuba tubb tubr tubu tufa tuff tufi tuft tufu tuit tuiu tura turb turf turi turr turt turu tuta tuti tutt tutu tuva tvri tvrr tvtv uafa uair uart uaru uata uatu uatv uaua ubar ubba ubbi ubii ubir ubit ubra ubtf uffa ufra uira uirr urai urat urau urba urbi urfa urff urfi urft uria urib urif uriu urra urri urur urut urva utai utau utia utri utti uttu uuri uuta uutf uuuu uv-a uv-b uvaa uvat uvri uvvu vaar vaat vafa vaia vair vait vara varf vari varr vart varu vata vati vatt vatu vaut vava vfat vfib viar viau viff viii vira virb viri virr virt viru vita viti vitt vitu viva vivi vrai vrav vrba vria vt-i vuir vuit vurb vurt vuti vutv vvvv