a-ak a-be a-ok aaaa aaab aaae aaal aaar aaba aabb aabl aaea aaka aake aala aale aall aalo aaoe aaoo aara aare aaro abaa abab abae abak abal abar abb- abba abbb abbe abbo abbr abee abel aber abla able ablo aboa abob abok abol aboo abor abra abro aeer aeka aela aer- aera aero akaa akae akal akao akar akee akel aker akka akko akle aklo akok akr- akra akre alaa alae alak alal alao alar alb- alba albe albo alea alee alek aleo aler alk- alka alkb alke alko all- alla alle alll allo allr aloa aloe alok alol aloo alor alro aoba aola aole aora aorb arab arae arak aral arar arba arbe area aree arek arel areo arka arke arko arla arle arlo aroa arob aroe aroo aror arr- arra arre arrk arro arrr baaa baak baal baar baba babb babe babo babr baek bael baer bak- baka bake bakl bako bakr bala bale balk ball balo baol bar- bara barb bare bark baro barr bbbb bbeb bblb beak beal bear beba bebb bebe bebo beeb beek beel beer beka beke beko bela bele belk bell belo beo- beok beor bera bere berk bero berr blaa blab blae blak blea bleb blee blek bleo blkb blob blok bloo boab boak boal boar boba bobb bobe bobo boea boee boel boeo boer boka boke boko bola bole bolk boll bolo boob booe book bool boor bor- bora bore bork boro borr brab brae brak brao brea breb bree brek brel breo brer brka brkb broa brob broe brok brol broo bror brrr e-la eaba eala eale eara earb eare earl earo ebal ebba ebbo ebbr ebel eber ebla eboe ebol eboo ebor ebro eeea eeee eeka eeke eele eera eero eka- ekab ekeb ekek eker ekka ekoa el-b elab elal elar elba elbe elbo elea elee elek eleo eler elka elke elko ella elle ello elok elra elro eoka eola eole eolo eora eore eorl eral erba erbb erbe ereb erel erer erke erla erle erll erob eroe erol eroo erra erre erro k-lo kaaa kaab kaak kaal kaar kaba kabb kabe kabo kabr kael kaeo kaer kaka kake kakk kako kala kalb kale kalk kall kalo kaoa kaok kaol kaor kara karb kare kark karl karo karr kbaa kbab kbae kbak kbal kbar kbba kbbb kbbe kbbk kbbl kbbo kbbr kbeb kbee kbek kbel kbeo kber kbkb kbkk kbkl kbko kbkr kbla kblb kble kbll kblo kblr kboa kbob kboe kbok kboo kbra kbrb kbre kbrk kbrl kbro kea- keak keal kear keba kebb kebe kebr keek keel keer keka kekb keke kekl keko kela kele kelk kell kelo keok keol ker- kera kerb kere kerk kerl kero kerr kkaa kkal kkar kkba kkbb kkbe kkbl kkbo kkbr kkea kkkk kklb kkll kklo kkoa kkob kkol kkoo kkor kkrb kkre kkrk kkrl kkro kkrr klaa klab klak klal klar klbb klbe klbl klea kleb klee klek kleo kler klka klkk klkl klko klkr klla kllb klle kllk kloa klob kloe klok klol kloo klor klrk klrr koab koae koak koal koar koba kobb kobe kobk kobo kobr koea koel koka kokb koke kokk koko kokr kola kolb kole kolk koll kolo kolr koob kook kool kooo koor kora korb kore kork korl koro korr krab krae krak kral krar krba krbb krbe krbk krbl krbr krea kreb kree krek kreo krka krke krkk krko krkr krla krle kroa krob kroe krok krol kroo kror krrb krre krrk krrl krro krrr laaa laak laal laar laba labe labo labr lael laer laka lake lala lale lall lalo lara larb lare lark larr lbar lblr leaa leak leal leao lear leba lebo leea leek leel leer leka leke lekk leko lela lele lell lelo leok leor lera lere lerk lero lkab lkal llao llll lloa lloo loar lob- loba lobb lobe lobo loeb loka loke lokk loko lola lole loll lolo loob looe look lool loor lora lore lork loro lral lrba lrrr o-eo oaer oake oall oara oare obak obal obba obbo obea obel ober obkb obla oble oboe obok obol obor obra obre obro oela oele oera oere okak oker okka okko okla oklo okok okol okor okra okre okro olar olba olbo ole- olea oleo oler olka olla olle ollo olor ooaa ooak ooba oobe ooer oola oolo oooo oora oore orab orae orak oral orao orar orba orbb orbe orbo ore- orea oreb orek orel oreo orer orka orke orko orla orle orlo oro- oroe orok oror orra orro raab raak raba rabb rabe rabk rabl rabo rael raer raka rake rakk rala ralb rale rall ralo raob raok raol rara rarb rare rark raro rbbb rbbr rble rea- reae reak real reao rear reba rebb rebe rebk rebo reeb reek reel reka reke reko rela relb rele rell relo reol rera rere rero rlab rlee roab roak roar rob- roba robb robe robo roea roel roer roka roke rokk roko rokr rola role rolk roll rolo roob rook rool roor rora rore rork roro rrle rrrr