a-be a-fu aaaa aaab aaae aaaf aaar aaba aabb aabt aaea aafa aafb aaff aage aara aare aart aaru aata aatf aatt abaa abab abae abaf abag abar abat abau abb- abba abbb abbe abbr abbt abee aber abet abff abra abta abtu abua abue abuf abug abut aeaf aeer aega aer- aera aeta aetf aetr aett afaa afar afat afee afer afet affa afft afgf afr- afra afre afru afta afte afua afue agag agar agat agau agba agea agee ager aget agfa agga agge aggu agra agre agta agte agtr agua ague agur agut arab arae araf arag arar arat arau arba arbe area aree aref areg aret areu arfa arfb arff arft arfu arga argb arge arr- arra arre arrg arrr arrt arru arta arte artr arua arub arue arug arut at-t ataa atab atae atar atat atea atee atef ater atfb atfe atra atre atru atta atte attr attu atua atub atug atur auaa aube auer aufe auga auge aur- aura aure aut- aute auug baaa baaf baar baat baba babb babe babr babu baer baff baft baga bage bagg bagt bar- bara barb bare barf barg barr bart baru bata bate batf batt batu bau- bauf baug baur bbau bbbb bbeb bbet bbga bbrg beaf beag bear beat beau beba bebb bebe beeb beef beeg beer beet befa befe beff beft bega begg begu bera bere berg berr bert beru beta bete bett betu beur bfgf bfta bftt brab brae braf brag brat brau brea breb bree bref breg brer bret brfu brrr brue brug brut btaa btaf btrt bttb buar buat buba bubb bube bubu buea buer bueu bufe buff bufr buga buge bugg bur- bura burb bure burg burr burt buru but- buta bute butt eaaf eaba eafb eaga eage eara earb eare eart eata eate ebba ebbr eber ebru ebur eeea eeee eefa eefe eega eera eerg eeta eete eetu ef-g efab efbr efet effa eft- efta eftu efua egaa egae egar egat egba egbe egbu egea egee eger egfr eggb egge egra egre egta egte eraf erat erau erba erbb erbe ereb erer eret erft erg- erga ergg erra erre erta ertu erua erub erur etag etat etbr etee eter etfa etfb etfe etra etre etta ette ettu etua euba euer euge eur- eura eure eurt faaa faba fabe fabu faeb fafa fafe faff fafg fage fagg fagu fara farb fare farg farr fart faru fata fate fatf fatt faue faur faut fbar feaf fear feat feba feeb feer feet fefe feff fege fegg fera ferb fere ferr fert feru feta fete fetr fett fetu ffar ffee ffff ffrr fftf frab frae frag frat frau frea free fret frta frub frue frug ftea fter ftub fuar fuat fubb fubu fuet fuff fufu fuga fuge fugu fur- fura fure furg furr furt futa fute futu gaar gaba gabb gabe gabr gabt gabu gaea gaer gafa gafb gaff gaft gaga gage gagg gagu gara garb gare garf garg garr gart gata gate gatr gatt gaua gaub gaue gaur gaut gbag geab gear geat geba gebe geer geet gefe geft gege gegg gera gerb gere gert geru geta getb gete getg gett geue gfer gffa ggbt ggfg gggg grab grae graf grat grau grbr grea greb gree gref greg gret greu grfa grrr grua grub grue gruf grug grur grut gtaa gtbr gtea gtta guaa guag guar guat guba gubb gubu guer gufa guff guga gugb guge gugg gugu gura gurb gure gurg gurr gurt guru guta gute gutt gutu raab raaf raag raat raba rabb rabe rabu raef raeg raer rafa rafe raff raft raga rage ragg ragu rara rarb rare rarf rata rate ratf ratt ratu raua raub raue rauf raut rbaf rbbb rbbr rea- reae reaf rear reat reau reba rebb rebe rebu reeb reef reet refe reff refg refr reft refu rega rege regr regt regu rera rere rerg rert reru reta rete retr rett reue reuf reut reuu rfae rfef rgba rgbe rgtr rrat rrrr rtbf rtee rtfb ruag ruba rubb rube rubu ruer ruet rufa rufe ruff ruft ruga ruge rugg rura rure ruru ruta rute rutt rutu taa- taaf taag taar taat taba tabb tabe tabu taer tafa tafe taff taft taga tage tagg tagu tara tarb tare tarf targ tarr tart taru tata tatb tate tatr tatt tatu taua taub taue taur taut tbaf tbar tbrb tbta tear teat teba tebu teef teer teet teff teft tega tegg tegt tegu ter- tera tere terf terr teru teta tete tetr tett tetu teut tfae tfeb tgfa traa trab trae traf trag trat trau tre- trea tree tref treg tret treu trfr trge trra trte trtr trub true trug trut truu ttab ttbb tter ttfa ttff tttt tuae tuar tuat tuba tubb tube tubr tubu tuer tuet tufa tufe tuff tuft tufu tuga tugg tugu tura turb ture turf turg turr turt turu tuta tute tutt tutu uafa uart uaru uata uatu uaua ubar ubba ubbe uber ubet ubra ubtf ueba uefa ufag ufer uffa uffe ufra ugab ugar uggt ugra ugta ugur uguu urat urau urba urbe ure- urea uret urfa urfe urff urft urga urge urgu urra urre urte urur urut utau uter uttu utug uuta uutf uuuu