a-be aaaa aaab aaae aaar aaav aaba aabb aabt aaea aaev aage aaoe aaoo aara aare aaro aart aata aatt aava abaa abab abae abag abar abat abb- abba abbb abbe abbo abbr abbt abee aber abet aboa abob aboo abor abot abov abra abro abta abva aeer aega aer- aera aero aeta aeto aetr aett aeva ag-o agag agao agar agat agav agba agbo agea agee ager aget agga agge agob agog agoo agot agra agre agro agta agte agtr agva aoba aora aorb aort arab arae arag arar arat arba arbe area aree areg areo aret arev arga argb arge argo aroa arob aroe aroo aror arr- arra arre arrg arro arrr arrt arta arte arto artr artv arva arve arvo at-t ataa atab atae atar atat atea atee ateo ater atgo atob atoe ator atot atra atre atro atta atte atto attr avab avao avar avat avea aveo aver avgo avor avot avra avre avro avva avvo baaa baar baat baba babb babe babo babr baer baga bage bagg bago bagt bar- bara barb bare barg baro barr bart bata bate bato batt bava bave bbbb bbeb bbet bbga bbrg beag bear beat beav beba bebb bebe bebo beeb beeg beer beet bega begg bego beo- beor beot bera bere berg bero berr bert beta bete beto bett betv bevo boab boag boar boat boba bobb bobe bobo boea boee boeo boer boet boga boge bogg bogo bogt boob booe boog boor boot bor- bora bore borg boro borr bort bota botb bote boto bott bova bove bovo brab brae brag brao brat brav brea breb bree breg breo brer bret brev broa brob broe brog broo bror brot brrr btaa btob btor btrt bttb eaba eaga eage eara earb eare earo eart eata eate eave ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eega eera eerg eero eeta eete eeva egaa egae egao egar egat egba egbe egea egee eger eggb egge eggo ego- egor egot egov egra egre egta egte eora eore eota eoto erat erba erbb erbe ereb erer eret erev erg- erga ergg ergo erob eroe eroo erra erre erro erta erve etag etat etbr etee eter etoe etra etre etro etta ette etto etvo evae evar evat evea ever evet evga evoe evoo evra evre gaar gaba gabb gabe gabo gabr gabt gaea gaer gaga gage gagg gago gara garb gare garg garo garr gart garv gata gate gato gatr gatt gatv gava gave gbag gbbo geab gear geat geba gebe geer geet gege gegg gego geo- geog gera gerb gere gero gert geta getb gete getg geto gett geva geve gevo ggbt gggg goar goat goba gobe gobo goer goga gogo goog goor goot gora gorb gore gorg goro gorr gort gota gote goto gott gotv gove govt grab grae grat grav grbr grea greb gree greg gret grev grob grog groo gror grot grov grrr grve gtaa gtbr gtea gtoe gtta gvat gvtv gvvv o-eo 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 ogra ogre ogro ooaa ooba oobe ooer oooo oora oore oort ootb orab orae orao orar orat orav orba orbb orbe orbo ore- orea oreb oreg oreo orer orga orge orgo oro- oroe oror orot orra orro orta orte orto orve orvr otar otea otee oter oto- otoe otog otoo otor otov otra otre otro otta otte otto ovar ovee over ovet ovo- ovoo ovot ovra ovre raab raag raat raba rabb rabe rabo raeg raer raga rage ragg rago raob rara rarb rare raro rata rate rato ratt rava rave rbbb rbbr rea- reae reao rear reat reba rebb rebe rebo reeb reet reev rega rege rego regr regt reog reot rera rere rerg rero rert reta rete reto retr rett reva reve revo rgba rgbe rgtr roab roag roar roat rob- roba robb robe robo robt roea roeg roer roet roev roga roge rogg rogo roob roog roor root rora rore roro rort rota rote rotg roto rotr rott rova rove rovo rrat rrrr rtee rtva rtve rver taa- taag taar taat taba tabb tabe tabo taer taga tage tagg tago taoa taor tara tarb tare targ taro tarr tart tata tatb tate tato tatr tatt tatv tava tave tavo tbar tbrb tbta tear teat teba tebo teer teet teev tega tegg tego tegt teor ter- tera tere tero terr teta tete teto tetr tett teva toab toat toba tobe tobo tobt toea toee toer toet toga toge togo togr togt tooa toor toot tora tore torg toro torr tort torv tota tote toto totr tott tova tove tovo traa trab trae trag trao trat trav tre- trea tree treg treo tret trev trge troa troe trog troo trot trra trte trtr ttab ttbb tteo tter ttoe tttt tver tvro tvrr tvtv vaar vaat vag- vaga vage vagg vagt vara vare varg varr vart vata vate vato vatt vava vbrg vear veat veba veer veet vega vege veor ver- vera verb vere vero vert veta vete veto vetr veve vevo voar voat voer voet voga voge vogt voog voor voot vor- vora vore voro vort vota vote voto vrav vrba vreo vret vrot vrto vver vvob vvog vvvv