a-be a-ii aaaa aaab aaae aaaf aaai aaar aaba aabb aabi aabt aaea aafa aafb aaff aafi aage aaib aaii aara aare aari aart aata aatf aatt abaa abab abae abaf abag abai abar abat abb- abba abbb abbe abbi abbr abbt abee aber abet abff abia abib abie abig abir abit abra abri abta aeaf aebi aeer aega aeit aer- aera aeri aeta aetf aetr aett afaa afar afat afee afer afet affa affi afft afgf afia afib afif afig afir afit afr- afra afre afri afta afte agag agai agar agat agba agea agee agei ager aget agfa agga agge aggi agia agib agie agig agii agir agit agra agre agri agta agte agtr aiai aiba aiea aiee aiet aiff aiga aiia aiib aiir aira aire airi airt aita aite aitf aiti aitr aitt arab arae araf arag arai arar arat arba arbe arbi area aree aref areg arei aret arfa arfb arff arft arga argb arge argi aria arib arie arif arig arii arit arr- arra arre arrg arri arrr arrt arta arte arti artr at-t ataa atab atae atai atar atat atea atee atef atei ater atfb atfe atia atie atif atit atra atre atri atta atte atti attr ba-i baaa baaf baar baat baba babb babe babi babr baer baff baft baga bage bagg bagi bagt baia baib baie baig bair bait bar- bara barb bare barf barg bari barr bart bata bate batf bati batt bbbb bbeb bbet bbga bbrg beaf beag bear beat beba bebb bebe bebi beeb beef beeg beer beet befa befe beff beft bega begg begi beia beir beit bera bere berg beri berr bert beta bete beti bett bfgf bfta bftt bgia biaf biar biat biba bibb bibe bibi bieb bief bier biet bifa biff bifi biga bigb bige bigg bigt bira birb bire birg biri birr birt bita bite bitt brab brae braf brag brai brat brea breb bree bref breg brei brer bret bria brie brig brit brrr btaa btaf btie btrt bttb eaaf eaba eafb eaga eage eaif eara earb eare eart eata eate eati ebba ebbr eber ebit eeea eeee eefa eefe eega eera eerg eeta eete ef-g efab efbr efet effa effi efit eft- efta egaa egae egar egat egba egbe egea egee eger egfr eggb egge eggi egir egra egre egri egta egte eiei eier eige eigg eira eire eita eitb eiti eitr eraf erat erba erbb erbe ereb erei erer eret erft erg- erga ergg ergi eria erie erit erra erre erta etag etai etat etbr etee eter etfa etfb etfe etra etre etta ette etti faaa faba fabe fabi faeb fafa fafe faff fafg fafi fage fagg fagi faie fair fait fara farb fare farg farr fart fata fate fatf fati fatt fbar feaf fear feat feba feeb feer feet fefe feff fefi fege fegg feia feie feig feir feit fera ferb fere ferr fert feta fete feti fetr fett ffar ffee ffff ffii ffrr fftf fiaa fiaf fiar fiat fiba fibe fief fier fifa fife fiff fifi fift figa figg fiii fira fire fita fite fiti fitt frab frae frag frat frea free frei fret fria frib frie frig frit frta ftea fter ftii gaar gaba gabb gabe gabi gabr gabt gaea gaer gafa gafb gaff gafi gaft gaga gage gagg gagi gaia gaie gaig gair gait gara garb gare garf garg gari garr gart gata gate gati gatr gatt gbag geab geai gear geat geba gebe gebi geer geet gefe geft gege gegg geia geie geif geig geir geit gera gerb gere geri gert geta getb gete getg geti gett gfer gffa ggbt ggfg gggg giaa giai giat giba gibb gibe gief gier giet gife giff gift giga gige gigg gigi gira gire girg giri girr girt gita gite grab grae graf grai grat grbr grea greb gree gref greg gret grfa gria grib grie grif grig grit grrr gtaa gtbr gtea gtta i-be iaaa iaai iaat iaba iaea iafe iaff iaia iara iare iart iata iate iati ibar ibat ibea ibeg ibet ibfi ibga ibge ibia ibie ibra ibri ibtb ieat ieet ieie iera iere ieri ieta ietf iett ifaa ifae ifar ifat ifbb ifer ifge ifit ifra ifrb ifrf ifri ifta igar igba igea iger iget igfa igga igia igra igri iifa iiie iiii iiit iira iita iitr iitt irae iraf irai irar irbe iree irer irfe iri- iria irie irig irra irre irri irta irte irtf irti itaa itaf itai itar itat itbe itea iter itet itfa itia itie itif itra itrf itri itta ittf raab raaf raag raat raba rabb rabe rabi raef raeg raer rafa rafe raff rafi raft raga rage ragg ragi raia raie raif raig raii rair rait rara rarb rare rarf rari rata rate ratf rati ratt rbaf rbbb rbbr rea- reae reaf rear reat reba rebb rebe reeb reef reet refe reff refg refi refr reft rega rege regi regr regt reia reif reii reir reit rera rere rerg reri rert reta rete reti retr rett rfae rfef rgba rgbe rgbi rgit rgtr riaa riab riai riat rib- riba ribe rief rier riet rifa rife riff rift riga rige rigg rigi riia riif rire riri rita rite riti ritt rrat rrif rrrr rtai rtbf rtee rtei rtfb taa- taaf taag taar taat taba tabb tabe tabi taer tafa tafe taff tafi taft taga tage tagg tagi taia taig tair tait tara tarb tare tarf targ tari tarr tart tata tatb tate tati tatr tatt tbaf tbar tbit tbrb tbta tear teat teba teef teer teet teff tefi teft tega tegg tegi tegt teia teie teir ter- tera tere terf teri terr teta tete teti tetr tett tfae tfeb tgfa tgif tiaa tiab tiaf tiar tiba tibi tie- tiea tiee tief tiei tier tiet tifa tiff tift tiga tige tigi tigr tiit tira tirb tire tiri tirr tita tite titi titt traa trab trae traf trag trai trat tre- trea tree tref treg trei tret trfr trge tri- tria trib trie