a-ak a-be a-ok aaaa aaab aaae aaar aaba aabb aabt aaea aaka aake aaoe aaoo aara aare aaro aart aata aatk aatt abaa abab abae abak abar abat abb- abba abbb abbe abbo abbr abbt abee aber abet aboa abob abok aboo abor abot abra abro abta aeer aeka aer- aera aero aeta aeto aetr aett akaa akae akao akar akee aker akka akko akok akot akr- akra akre akte aoba aora aorb aort arab arae arak arar arat arba arbe area aree arek areo aret arka arke arko aroa arob aroe aroo aror arr- arra arre arrk arro arrr arrt arta arte arto artr at-t ataa atab atae atak atar atat atea atee ateo ater atka atkt atob atoe atok ator atot atra atre atrk atro atta atte atto attr baaa baak baar baat baba babb babe babo babr baek baer bak- baka bake bako bakr bakt bar- bara barb bare bark baro barr bart bata bate bato batt bbbb bbeb bbet beak bear beat beba bebb bebe bebo beeb beek beer beet beka beke beko beo- beok beor beot bera bere berk bero berr bert beta bete beto bett boab boak boar boat boba bobb bobe bobo boea boee boeo boer boet boka boke boko boob booe book boor boot bor- bora bore bork boro borr bort bota botb bote boto bott brab brae brak brao brat brea breb bree brek breo brer bret brka brkb broa brob broe brok broo bror brot brrr btaa btek btob btor btrt bttb eaba eara earb eare earo eart eata eate ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eeka eeke eera eero eeta eete eka- ekab ekeb ekek eker eket ekka ekoa ekta eoka eora eore eota eoto erat erba erbb erbe ereb erer eret erke erob eroe eroo erra erre erro erta etak etat etbr etee eter etka etoe etok etra etre etro etta ette etto kaaa kaab kaak kaar kaat kaba kabb kabe kabo kabr kaeo kaer kaet kaka kake kakk kako kakt kaoa kaok kaor kara karb kare kark karo karr kart kat- kata katb kate katk kato katr katt kbaa kbab kbae kbak kbar kbat kbba kbbb kbbe kbbk kbbo kbbr kbbt kbeb kbee kbek kbeo kber kbet kbkb kbkk kbko kbkr kboa kbob kboe kbok kboo kbot kbra kbrb kbre kbrk kbro kbrt kbta kbtb kbte kbtk kbto kbtr kbtt kea- keak kear keat keba kebb kebe kebr kebt keek keer keet keka kekb keke keko keok ker- kera kerb kere kerk kero kerr kert ket- keta kete ketk keto ketr kett kkaa kkar kkat kkba kkbb kkbe kkbo kkbr kkbt kkea kkkk kkoa kkob kkoo kkor kkot kkrb kkre kkrk kkro kkrr kkrt kktk koab koae koak koar koba kobb kobe kobk kobo kobr koea koka kokb koke kokk koko kokr koob kook kooo koor koot kora korb kore kork koro korr kort kota kotb kote kotk koto kotr kott krab krae krak krar krat krba krbb krbe krbk krbr krbt krea kreb kree krek kreo kret krka krke krkk krko krkr kroa krob kroe krok kroo kror krrb krre krrk krro krrr krrt krta krtk krto krtr ktaa ktae ktak ktao ktar ktat ktba ktbb ktbr ktbt ktea ktee ktek ktkb ktke ktkk ktko ktkr ktkt ktob ktoe ktok ktoo ktor ktot ktrb ktre ktrk ktro ktrr ktrt kttk ktto kttr kttt o-eo oaer oake oara oare oate obak obba obbo obea ober obet obkb oboe obok obor obot obra obre obro oera oere oeta okak oker oket okka okko okok okor okot okra okre okro okta okto ooaa ooak ooba oobe ooer oooo oora oore oort ootb orab orae orak orao orar orat orba orbb orbe orbo ore- orea oreb orek oreo orer orka orke orko oro- oroe orok oror orot orra orro orta orte orto otak otar otea otee oter oto- otoe otok otoo otor otra otre otro otta otte otto raab raak raat raba rabb rabe rabk rabo raer raka rake rakk rakt raob raok rara rarb rare rark raro rata rate ratk rato ratt rbbb rbbr rea- reae reak reao rear reat reba rebb rebe rebk rebo reeb reek reet reka reke reko rekt reot rera rere rero rert reta rete reto retr rett roab roak roar roat rob- roba robb robe robo robt roea roer roet roka roke rokk roko rokr roob rook roor root rora rore rork roro rort rota rote rotk roto rotr rott rrat rrrr rtee taa- taar taat taba tabb tabe tabo taer taka take takk tako takt taoa taor tara tarb tare tark taro tarr tart tata tatb tate tato tatr tatt tbar tbrb tbta teak tear teat teba tebo teek teer teet teka teke teok teor ter- tera tere terk tero terr teta tete teto tetr tett toab toat toba tobe tobo tobt toea toee toek toer toet toka toke toko tooa took toor toot tora tore tork toro torr tort tota tote toto totr tott traa trab trae trak trao trat tre- trea tree trek treo tret troa troe troo trot trra trte trtr ttab ttbb tteo tter ttoe tttt