a-be aaaa aaab aaad aaae aaar aaba aabb aabd aabt aada aade aadt aadu aaea aage aara aard aare aart aaru aata aatt abaa abab abad abae abag abar abat abau abb- abba abbb abbe abbr abbt abda abdu abed abee aber abet abgd abra abta abtu abua abud abue abug abut adaa adab adad adae adag adar adat adba adda addd adde addr addu adea adeb adee ader adet adra adre adta adua adub adue adur aede aedt aeer aega aer- aera aerd aeta aetr aett agad agag agar agat agau agba agda agde agea aged agee ager aget agga agge aggu agra agre agta agte agtr agua ague agur agut arab arad arae arag arar arat arau arba arbe arda arde ardu area ared aree areg aret areu arga argb arge arr- arra arre arrg arrr arrt arru arta arte artr arua arub arud arue arug arut at-t ataa atab atad atae atar atat atdt atea ated atee ater atra atre atru atta atte attr attu atua atub atug atur auaa aube aude auer auga auge aur- aura aurd aure aut- aute auug baaa baad baar baat baba babb babe babr babu bada badb badd bade badr badu baed baer baga bage bagg bagt bar- bara barb bard bare barg barr bart baru bata bate batt batu bau- baud baug baur bbad bbau bbbb bbdd bbeb bbet bbga bbrg bd-r bead beag bear beat beau beba bebb bebe beda bede bedu beeb beed beeg beer beet bega begg begu bera berd bere berg berr bert beru beta bete bett betu beur brab brad brae brag brat brau brda brdt brea breb bred bree breg brer bret brrr brud brue brug brut btaa btdt btrt bttb buad buar buat buba bubb bube bubu buda budb budd bude budg budu buea buer bueu buga buge bugg bur- bura burb burd bure burg burr burt buru but- buta bute butt daab daad daae daag daar daau daba dabb dabt dabu dada dade dadu daeb daer daeu daga dage dagg dagr dagu dara darb dard dare darg darr dart daru data date datr datt datu daub daud daue daur daut dbag dbar dbtt dddd ddre ddub dead deae dear deau deba debe debt debu deda dedd dede dedu deeb deed deeg deer deet dega dege degu der- dera derb dere derg derr deta dete detr deua deue deur deut dgeg dgge draa drab drad drag drar drat drau drba drda drea dred dree dreg dret drge drra drua drub drue drug drut druu dtaa dted duaa duab duad duar duat dub- duba dubb dube dubu duda dudd dude dudu duer duet duga dugu dura dure durg durt duru duta dute duur duut eaba eada eadb eadd eaga eage eara earb eard eare eart eata eate ebba ebbr ebed eber ebru ebur edad edag edar edda edde ede- edea eder edge edra edru edta edur eede eedu eeea eeee eega eera eerg eeta eete eetu egaa egad egae egar egat egba egbe egbu egea egee eger eggb egge egra egre egta egte erad erat erau erba erbb erbe erda erde ereb ered erer eret erg- erga ergg erra erre erta ertu erua erub erur etag etat etbr etee eter etra etre etta ette ettu etua euba eude euer euge eur- eura eure eurt gaar gaba gabb gabe gabr gabt gabu gada gadd gade gaea gaed gaer gaga gage gagg gagu gara garb gard gare garg garr gart gata gate gatr gatt gaua gaub gaud gaue gaur gaut gbag gbde gddb gdrt geab gead gear geat geba gebe geda gedd gede gedu geed geer geet gege gegg gera gerb gerd gere gert geru geta getb gete getg gett geue ggbt gggg grab grad grae grat grau grbr grea greb gree greg gret greu grrr grua grub grue grug grur grut gtaa gtbr gtea gtta guaa guag guar guat guba gubb gubu guda gude gudu guer guga gugb guge gugg gugu gura gurb gurd gure gurg gurr gurt guru guta gute gutt gutu raab raad raag raat raba rabb rabe rabu rada radd rade radr radt radu raed raeg raer raga rage ragg ragu rara rarb rare rata rate ratt ratu raua raub raud raue raut rbbb rbbr rder rea- read reae rear reat reau reba rebb rebe rebu reda redd rede redr redu reeb reed reet rega regd rege regr regt regu rera rerd rere rerg rert reru reta retd rete retr rett reue reut reuu rgba rgbe rgtr rrad rrat rred rrrr rtdt rtee ruad ruag ruba rubb rube rubu ruda rudd rude rued ruer ruet ruga ruge rugg rura rurd rure ruru ruta rute rutt rutu ruud taa- taag taar taat taba tabb tabe tabu tada tade tadg taer taga tage tagg tagu tara tarb tard tare targ tarr tart taru tata tatb tate tatr tatt tatu taua taub taue taur taut tbar tbrb tbta tddb tdra tead tear teat teba tebu teda tedd tede teed teer teet tega tegg tegt tegu ter- tera tere terr teru teta tete tetr tett tetu teut traa trab trad trae trag trat trau tre- trea tred tree treg tret treu trge trra trte trtr trub trud true trug trut truu ttab ttbb tter tttt tuae tuar tuat tuba tubb tube tubr tubu tude tudu tuer tuet tuga tugg tugu tura turb turd ture turg turr turt turu tuta tute tutt tutu uart uaru uata uatu uaua ubar ubba ubbe uber ubet ubra ubud udaa udad udar udau udea uder udet udgb udge udra ueba ueda ugab ugar uggt ugra ugta ugur uguu urad urat urau urba urbe urda urde urdu ure- urea ured uret urga urge urgu urra urre urte urur urut utau uter uttu utug uuta uuuu