bbbb bbeb bbet bbpr bebb bebe bebi bebo beeb beek beep beer beet beik beir beit beke beki beko beo- beok beor beot bepo bere beri berk bero berr bert bete beti beto bett bibb bibe bibi bibo bieb bier biet bike biko bio- bioi biot bipp birb bire biri birk biro birr birt bite bito bitt bkpr bkpt bobb bobe bobi bobo boee boeo boep boer boet boi- boie boii boit boke boki boko boob booe book boop boor boot bope bopp bor- bore bori bork boro borr bort botb bote boti boto bott bpoe bpot bpti breb bree brei brek breo brep brer bret brie brik brio brit brkb brob broe brok broo bror brot brrr btbp btek btie btob btor btrt bttb ebbo ebbr eber ebit eboe eboo ebor ebpo ebro eeee eeke eero eete eiei eier eike eiki eiko eipo eipr eire eitb eiti eito eitr ekeb ekek eker eket ekki ekoi ekpe ekpo eoir eore eori eoto epee eper epi- epie epik epip epit epor epot eppo eppp eprb epro eprp epte erbb erbe ereb erei erer eret erie erik erio erit erke erki erob eroe eroi eroo erpe erre erro etbr etee eter etik etio etoe etok etre etro ette etti etto i-be ibet ibie ibot ibri ibro ibtb ieet ieie ieio iere ieri iett iiie iiii iiio iiit iioi iioo iiop iitr iitt ikee iker ikki ikko ikoo ikri iobi ioee ioii ioio ioit ioke ioko iooi iooo iore iori iote ioto ipbk ipek iper ipet ipie ipko ipoe ipop ippo ippr ipri ipto irbe irbp iree irer iri- irie irio irip irki irob irop irpe irre irri irte irti irtp itbe itek itep iter itet itie itko itoi itoo itor itri itto kbbb kbbe kbbi kbbk kbbo kbbr kbbt kbeb kbee kbek kbeo kber kbet kbib kbie kbik kbio kbit kbkb kbkk kbko kbkr kbob kboe kboi kbok kboo kbot kbpe kbpi kbpk kbpo kbpr kbpt kbrb kbre kbri kbrk kbro kbrt kbtb kbte kbtk kbto kbtr kbtt kebb kebe kebi kebr kebt keek keep keer keet keib keii keik keio keir kekb keke keki keko keok kep- kepe kepi kept ker- kerb kere keri kerk kero kerp kerr kert ket- kete keti ketk keto ketp ketr kett kibb kibe kibi kibo kibr kibt kier kiii kiik kiip kiit kiki kikk kiko kikr kikt kioe kioi kiok kioo kiot kip- kipe kipi kipo kipp kipr kipt kirb kiri kirk kiro kirp kirr kirt kite kiti kito kitr kitt kkbb kkbe kkbi kkbo kkbr kkbt kkik kkit kkkk kkob kkoo kkor kkot kkpk kkpt kkrb kkre kkrk kkro kkrr kkrt kktk kobb kobe kobi kobk kobo kobr koei koii koir koit kokb koke koki kokk koko kokp kokr koob kooi kook kooo koop koor koot kopb kope kopi kopp kopr kopt korb kore kori kork koro korr kort kotb kote koti kotk koto kotr kott kpbb kpbe kpbi kpbr kpek kper kpet kpir kpit kpke kpkk kpkr kpob kpoe kpok kpoo kpop kppk kppo kppp kppr kprb kpre kpri kprk kpro kprp kprr kprt kpte kpto kptr kptt krbb krbe krbi krbk krbr krbt kreb kree krei krek kreo kret krib krik krio krit krke krki krkk krko krkr krob kroe kroi krok kroo krop kror krpi krpr krpt krrb krre krri krrk krro krrr krrt krti krtk krto krtr ktbb ktbr ktbt ktee ktek ktep ktib ktie ktik ktip ktkb ktke ktkk ktko ktkr ktkt ktob ktoe ktok ktoo ktop ktor ktot ktpi ktpk ktpo ktpr ktpt ktrb ktre ktri ktrk ktro ktrp ktrr ktrt ktti kttk ktto kttp kttr kttt o-eo obbo ober obet obie obit obkb oboe oboi obok obor obot obre obri obro oere oeti oier oiii oike oiko oire oirt oiti oker oket okie okir okko okok okor okot okpe okpo okre okro okto oobe oobi ooer oooo oore oort ootb ootp opei opep oper opet opie opii opio opit opo- opor oppi oppo opti opto orbb orbe orbi orbo ore- oreb orek oreo orer ori- orie orio orit orke orko oro- oroe orok oror orot orpe orpi orri orro orte orto otee otep oter otit oto- otoe otok otoo otor otpp otre otro otte otti otto pbpk peek peep peer peet peio peip peir peit peke peki pekk peko peor pepe pepi pepo per- pere peri perk pero perp perr pert pete peti peto petr pett pibb pibi piep pier piet piip pike piki pikk piko pikt piob piot pipe pipi pipo pipp pire piri pirk piro pirr pite piti pito pitr pitt pkib pobo poer poet poik poio poke poko pook poop poor poot pop- pope popi popo popp popt porb pore pori pork poro porr port pote poti poto pott pper ppib ppie pppo pppp pptt pre- preb pree prek prep pret pri- prie prii pro- prob proe proo prop prot prri prti prtp prtr pter ptop pttk rbbb rbbr rebb rebe rebk rebo reeb reek reep reet reii reik reir reit reke reki reko rekt reop reot repe repi repo repp repr rept rere reri rero rert rete reti reto retr rett rib- ribe ribo riek riep rier riet rike riki rikk riot ripe ripi ripp ripr ript rire riri rite riti rito ritt rob- robb robe robi robo robt roer roet roik roio roir roit roke roki rokk roko rokr roob rooi rook roop roor root rope ropo rore rori rork roro rort rote roti rotk roto rotr rott rpet rpii rpob rpoe rrrr rtee rtei rttp tbit tbrb tbtp tebo teek teer teet teie teip teir teke teok teor tepe tepi tepp ter- tere teri terk tero terp terr tete teti teto tetr tett tibi tie- tiee tiei tieo tiep tier tiet tiit tike tiki tiko tiop tip- tipe tipi tipo tipp tipt tirb tire tiri tiro tirr tite titi tito titp titt tkip tobe tobi tobo tobt toee toei toek toer toet toie toit toke toki toko took toor toot top- tope topi topo topp topt tore tori tork toro torp