a-be a-ii a-iv aaaa aaab aaae aaai aaar aaav aaba aabb aabi aabt aaea aaev aaib aaii aara aare aari aart aata aatt aava abaa abab abae abai abar abat abax abb- abba abbb abbe abbi abbr abbt abee aber abet abia abib abie abir abit abra abri abta abva aebi aeer aeit aer- aera aeri aeta aetr aett aetx aeva aiai aiba aiea aiee aiet aiia aiib aiir aira aire airi airt airx aita aite aiti aitr aitt aiva aixa aixi arab arae arai arar arat arax arba arbe arbi area aree arei aret arev arex aria arib arie arii arit arr- arra arre arri arrr arrt arta arte arti artr artv artx arva arve arvi at-t at-x ataa atab atae atai atar atat atax atea atee atei ater atex atia atie atit atra atre atri atrx atta atte atti attr atvi avab avar avat avax avea aver avex avia avie avit aviv avra avre avri avva axar axat axer axi- axia axie ba-i ba-x baaa baar baat baba babb babe babi babr baer baia baib baie bair bait baix bar- bara barb bare bari barr bart barx bata bate bati batt bava bave bavi baxi baxt bbbb bbeb bbet bear beat beav beba bebb bebe bebi beeb beer beet beia beir beit bera bere beri berr bert beta bete beti bett betv biar biat biba bibb bibe bibi bieb bier biet bira birb bire biri birr birt birx bita bite bitt bitx bive bivi bixa bixi brab brae brai brat brav brax brea breb bree brei brer bret brev brex bria brie brit brix brrr brvi btaa btex btie btrt bttb btvi eaba eara earb eare eart eata eate eati eave ebba ebbr eber ebit ebix eeea eeee eera eeta eete eeva eext eiei eier eira eire eita eitb eiti eitr er-x erat erba erbb erbe ereb erei erer eret erev eria erie erit erra erre erta erve ervi etai etat etbr etee eter etix etra etre etta ette etti evae evar evat evea ever evet evex evia evie evir evra evre exa- exai exer exit exrx exta exte extr i-be iaaa iaai iaat iaba iaea iaia iara iare iart iata iate iati iava ibar ibat ibea ibet ibex ibia ibie ibra ibri ibtb ieat ieet ieie iera iere ieri ieta iett ietv ieva iiie iiii iiit iira iita iitr iitt irae irai irar irbe iree irer irex iri- iria irie irix irra irre irri irta irte irti itaa itai itar itat itbe itea iter itet itex itia itie itra itri itta ivai ivar ivbv ivea iver ivie ivre ixia ixxi raab raat raba rabb rabe rabi raer raia raie raii rair rait raix rara rarb rare rari rata rate rati ratt rava rave ravi raxa raxi rbbb rbbr rea- reae rear reat reba rebb rebe reeb reet reev reia reii reir reit rera rere reri rert reta rete reti retr rett reva reve revi rexx riaa riab riai riat rib- riba ribe rier riet riex riia rire riri rita rite riti ritt riva rive rixe rrat rrrr rtai rtee rtei rtex rtva rtve rtvi rver rxvt taa- taar taat taba tabb tabe tabi taer taia tair tait taix tara tarb tare tari tarr tart tata tatb tate tati tatr tatt tatv tava tave tavi tax- taxa taxe taxi taxt tbar tbit tbrb tbta tbvi tear teat teba teer teet teev teia teie teir ter- tera tere teri terr teta tete teti tetr tett tetx teva texa text tiaa tiab tiar tiax tiba tibi tie- tiea tiee tiei tier tiet tiit tira tirb tire tiri tirr tita tite titi titt tiva tivi tixt traa trab trae trai trat trav trax tre- trea tree trei tret trev trex tri- tria trib trie trit trix trra trte trtr ttab ttbb tter tttt tver tvri tvrr tvtv txaa txii txtr vaar vaat vaia vaie vair vait vara vare vari varr vart vata vate vati vatt vava vaxi vear veat veba veer veet veia veie veii veir veit veix ver- vera verb vere veri vert veta vete veti vetr veve vevi vexi vext vexx viae viar vibe vier viet viii vira virb vire viri virr virt vita vite viti vitt viva vive vivi vixx vrai vrav vrba vret vria vrtx vt-i vt-x vver vvvv xaar xait xara xare xate xavi xbai xbar xbee xbra xeer xer- xera xert xexe xibe xiii xita xixi xtar xtea xtie xtra xvii xxii xxiv xxix xxvi xxxi xxxv xxxx