a-be aaaa aaab aaae aaar aaba aabb aabt aaea aage aaoe aaoo aara aare aaro aart aaru aata aatt abaa abab abae abag abar abat abau abb- abba abbb abbe abbo abbr abbt abee aber abet aboa abob aboo abor abot abou abra abro abta abtu abua abue abug abut aeer aega aer- aera aero aeta aeto aetr aett ag-o agag agao agar agat agau agba agbo agea agee ager aget agga agge aggu agob agog agoo agot agou agra agre agro agta agte agtr agua ague agur agut aoba aoeu aora aorb aort aout arab arae arag arar arat arau arba arbe area aree areg areo aret areu arga argb arge argo aroa arob aroe aroo aror arr- arra arre arrg arro arrr arrt arru arta arte arto artr arua arub arue arug arut at-t ataa atab atae atar atat atea atee ateo ater atgo atob atoe ator atot atra atre atro atru atta atte atto attr attu atua atub atug atur auaa aube auer auga auge aur- aura aure auro aut- aute auto auug baaa baar baat baba babb babe babo babr babu baer baga bage bagg bago bagt bar- bara barb bare barg baro barr bart baru bata bate bato batt batu bau- baug baur bbau bbbb bbeb bbet bbga bbrg beag bear beat beau beba bebb bebe bebo beeb beeg beer beet bega begg bego begu beo- beor beot bera bere berg bero berr bert beru beta bete beto bett betu beur boab boag boar boat boba bobb bobe bobo bobu boea boee boeo boer boet boga boge bogg bogo bogt boob booe boog boor boot bor- bora bore borg boro borr bort boru bota botb bote boto bott boua boue bour bout brab brae brag brao brat brau brea breb bree breg breo brer bret broa brob broe brog broo bror brot brou brrr brue brug brut btaa btob btor btrt bttb buar buat buba bubb bube bubo bubu buea buer bueu buga buge bugg bugo bur- bura burb bure burg buro burr burt buru but- buta bute buto butt eaba eaga eage eara earb eare earo eart eata eate ebba ebbo ebbr eber eboe eboo ebor ebro ebru ebur eeea eeee eega eera eerg eero eeta eete eetu egaa egae egao egar egat egba egbe egbu egea egee eger eggb egge eggo ego- egor egot egra egre egta egte eora eore eota eoto erat erau erba erbb erbe ereb erer eret erg- erga ergg ergo erob eroe eroo erra erre erro erta ertu erua erub erur etag etat etbr etee eter etoe etra etre etro etta ette etto ettu etua euba euer euge eur- eura eure euro eurt gaar gaba gabb gabe gabo gabr gabt gabu gaea gaer gaga gage gagg gago gagu gara garb gare garg garo garr gart gata gate gato gatr gatt gaua gaub gaue gaur gaut gbag gbbo geab gear geat geba gebe geer geet gege gegg gego geo- geog gera gerb gere gero gert geru geta getb gete getg geto gett geue ggbt gggg goar goat goba gobe gobo goer goga gogo goog goor goot gora gorb gore gorg goro gorr gort gota gote goto gott gou- goug gour gout grab grae grat grau grbr grea greb gree greg gret greu grob grog groo gror grot grou grrr grua grub grue grug grur grut gtaa gtbr gtea gtoe gtta guaa guag guao guar guat guba gubb gubu guer guga gugb guge gugg gugu gura gurb gure gurg guro gurr gurt guru guta gute guto gutt gutu o-eo oaau oaer oara oare oate obba obbo obea ober obet oboe obor obot obra obre obro oegb oera oere oeta ogae ogar ogb ogba ogbe ogea ogee oger ogge ogoa ogog ogou ogra ogre ogro ooaa ooba oobe ooer oooo oora oore oort ootb orab orae orao orar orat orba orbb orbe orbo orbu ore- orea oreb oreg oreo orer orga orge orgo oro- oroe oror orot orra orro orta orte orto orub otar otea otee oter oto- otoe otog otoo otor otra otre otro otta otte otto ottu otur ouat ouea ouer ouge our- oura oure ouro ourt out- outa outb oute outo ouu- raab raag raat raba rabb rabe rabo rabu raeg raer raga rage ragg rago ragu raob rara rarb rare raro rata rate rato ratt ratu raua raub raue raut rbbb rbbr rea- reae reao rear reat reau reba rebb rebe rebo rebu reeb reet rega rege rego regr regt regu reog reot reou rera rere rerg rero rert reru reta rete reto retr rett reue reut reuu rgba rgbe rgtr roab roag roar roat rob- roba robb robe robo robt robu roea roeg roer roet roga roge rogg rogo roob roog roor root rora rore roro rort roru rota rote rotg roto rotr rott roua roub roue rout rrat rrrr rtee ruag ruba rubb rube rubu ruer ruet ruga ruge rugg rura rure ruro ruru ruta rute ruto rutt rutu taa- taag taar taat taba tabb tabe tabo tabu taer taga tage tagg tago tagu taoa taor taou tara tarb tare targ taro tarr tart taru tata tatb tate tato tatr tatt tatu taua taub taue taur taut tbar tbrb tbta tear teat teba tebo tebu teer teet tega tegg tego tegt tegu teor ter- tera tere tero terr teru teta tete teto tetr tett tetu teut toab toat toau toba tobe tobo tobt tobu toea toee toer toet toga toge togo togr togt tooa toor toot tora tore torg toro torr tort toru tota tote toto totr tott toug tour tout traa trab trae trag trao trat trau tre- trea tree treg treo tret treu trge troa troe trog troo trot trou trra trte trtr trub true trug trut truu ttab ttbb tteo tter ttoe tttt tuae tuao tuar tuat tuba tubb tube tubo tubr tubu tuer tuet tuga tugg tugu tuor tura turb ture turg turo turr turt turu tuta tute tuto tutt tutu tuuo uart uaru uata uatu uaua ubar ubba ubbe ubbo uber