bbbb bbeb bbet bbpr bebb bebe bebo beeb beek beep beer beet beke beko beo- beok beor beot bepo bere berk bero berr bert bete beto bett bkpr bkpt bobb bobe bobo boee boeo boep boer boet boke boko boob booe book boop boor boot bope bopp bor- bore bork boro borr bort botb bote boto bott bpoe bpot breb bree brek breo brep brer bret brkb brob broe brok broo bror brot brrr btbp btek btob btor btrt bttb ebbo ebbr eber eboe eboo ebor ebpo ebro eeee eeke eero eete ekeb ekek eker eket ekpe ekpo eore eoto epee eper epor epot eppo eppp eprb epro eprp epte erbb erbe ereb erer eret erke erob eroe eroo erpe erre erro etbr etee eter etoe etok etre etro ette etto kbbb kbbe kbbk kbbo kbbr kbbt kbeb kbee kbek kbeo kber kbet kbkb kbkk kbko kbkr kbob kboe kbok kboo kbot kbpe kbpk kbpo kbpr kbpt kbrb kbre kbrk kbro kbrt kbtb kbte kbtk kbto kbtr kbtt kebb kebe kebr kebt keek keep keer keet kekb keke keko keok kep- kepe kept ker- kerb kere kerk kero kerp kerr kert ket- kete ketk keto ketp ketr kett kkbb kkbe kkbo kkbr kkbt kkkk kkob kkoo kkor kkot kkpk kkpt kkrb kkre kkrk kkro kkrr kkrt kktk kobb kobe kobk kobo kobr kokb koke kokk koko kokp kokr koob kook kooo koop koor koot kopb kope kopp kopr kopt korb kore kork koro korr kort kotb kote kotk koto kotr kott kpbb kpbe kpbr kpek kper kpet kpke kpkk kpkr kpob kpoe kpok kpoo kpop kppk kppo kppp kppr kprb kpre kprk kpro kprp kprr kprt kpte kpto kptr kptt krbb krbe krbk krbr krbt kreb kree krek kreo kret krke krkk krko krkr krob kroe krok kroo krop kror krpr krpt krrb krre krrk krro krrr krrt krtk krto krtr ktbb ktbr ktbt ktee ktek ktep ktkb ktke ktkk ktko ktkr ktkt ktob ktoe ktok ktoo ktop ktor ktot ktpk ktpo ktpr ktpt ktrb ktre ktrk ktro ktrp ktrr ktrt kttk ktto kttp kttr kttt o-eo obbo ober obet obkb oboe obok obor obot obre obro oere oker oket okko okok okor okot okpe okpo okre okro okto oobe ooer oooo oore oort ootb ootp opep oper opet opo- opor oppo opto orbb orbe orbo ore- oreb orek oreo orer orke orko oro- oroe orok oror orot orpe orro orte orto otee otep oter oto- otoe otok otoo otor otpp otre otro otte otto pbpk peek peep peer peet peke pekk peko peor pepe pepo per- pere perk pero perp perr pert pete peto petr pett pobo poer poet poke poko pook poop poor poot pop- pope popo popp popt porb pore pork poro porr port pote poto pott pper pppo pppp pptt pre- preb pree prek prep pret pro- prob proe proo prop prot prtp prtr pter ptop pttk rbbb rbbr rebb rebe rebk rebo reeb reek reep reet reke reko rekt reop reot repe repo repp repr rept rere rero rert rete reto retr rett rob- robb robe robo robt roer roet roke rokk roko rokr roob rook roop roor root rope ropo rore rork roro rort rote rotk roto rotr rott rpet rpob rpoe rrrr rtee rttp tbrb tbtp tebo teek teer teet teke teok teor tepe tepp ter- tere terk tero terp terr tete teto tetr tett tobe tobo tobt toee toek toer toet toke toko took toor toot top- tope topo topp topt tore tork toro torp torr tort tote toto totr tott tper tpke tppp tppr tpte tptp tptr tre- tree trek treo tret troe troo trop trot trpe trpp trte trtr ttbb tteo tter ttoe ttop tttt