-er b-p bbb bbe bbk bbo bbp bbr be- beb bee bek beo bep ber bkb bke bkk bko bkp bkr bob boe bok boo bop bor bpb bpe bpo bpp bpr brb bre brk bro brp brr ebb ebe ebk ebo ebp ebr eeb eee eek eeo eep eer ekb eke eko ekp ekr eo- eob eoe eok eoo eop eor ep- epb epe epo epp epr erb ere erk ero erp err kbb kbe kbk kbo kbp kbr ke- keb kee kek keo kep ker kkb kke kkk kkp kkr kob koe kok koo kop kor kpe kpk kpo kpp kpr krk kro krp krr ob- obb obe obk obo obp obr oeb oee oeo oep oer okb oke okk oko okp okr oo- oob ook ooo oop oor op- opb ope opk opo opp opr or- orb ore ork oro orp orr p-p pbb pbe pbk pbo pbp pbr peb pee pek peo pep per pkb pke pko pkp pkr pob poe pok poo pop por ppb ppe ppk ppo ppp ppr prb pre prk pro prp prr rbb rbe rbk rbo rbp rbr re- reb ree rek reo rep rer rkb rke rkk rko rkp rob roe rok roo rop ror rpb rpe rpk rpo rpp rpr rrb rrk rrp rrr

bbbb bbeb bbpr bebb bebe bebo beeb beek beep beer beke beko beo- beok beor bepo bere berk bero berr bkpr bobb bobe bobo boee boeo boep boer boke boko boob booe book boop boor bope bopp bor- bore bork boro borr bpoe breb bree brek breo brep brer brkb brob broe brok broo bror brrr ebbo ebbr eber eboe eboo ebor ebpo ebro eeee eeke eero ekeb ekek eker ekpe ekpo eore epee eper epor eppo eppp eprb epro eprp erbb erbe ereb erer erke erob eroe eroo erpe erre erro kbbb kbbe kbbk kbbo kbbr kbeb kbee kbek kbeo kber kbkb kbkk kbko kbkr kbob kboe kbok kboo kbpe kbpk kbpo kbpr kbrb kbre kbrk kbro kebb kebe kebr keek keep keer kekb keke keko keok kep- kepe ker- kerb kere kerk kero kerp kerr kkbb kkbe kkbo kkbr kkkk kkob kkoo kkor kkpk kkrb kkre kkrk kkro kkrr kobb kobe kobk kobo kobr kokb koke kokk koko kokp kokr koob kook kooo koop koor kopb kope kopp kopr korb kore kork koro korr kpbb kpbe kpbr kpek kper kpke kpkk kpkr kpob kpoe kpok kpoo kpop kppk kppo kppp kppr kprb kpre kprk kpro kprp kprr krbb krbe krbk krbr kreb kree krek kreo krke krkk krko krkr krob kroe krok kroo krop kror krpr krrb krre krrk krro krrr o-eo obbo ober obkb oboe obok obor obre obro oere oker okko okok okor okpe okpo okre okro oobe ooer oooo oore opep oper opo- opor oppo orbb orbe orbo ore- oreb orek oreo orer orke orko oro- oroe orok oror orpe orro pbpk peek peep peer peke pekk peko peor pepe pepo per- pere perk pero perp perr pobo poer poke poko pook poop poor pop- pope popo popp porb pore pork poro porr pper pppo pppp pre- preb pree prek prep pro- prob proe proo prop rbbb rbbr rebb rebe rebk rebo reeb reek reep reke reko reop repe repo repp repr rere rero rob- robb robe robo roer roke rokk roko rokr roob rook roop roor rope ropo rore rork roro rpob rpoe rrrr

b-r-k bbbee bbook be-er be-ro bebek beber bebop beebe beeke beker bekke bekko bekok bepop beppe beppo berbe berek berk- berke berko berob beroe berok beror berre bo-bo bobek bobko bobok bobr bobre boeke boero bokeo boker bokko bokok bokor booer booke booko boore borbo boree borek borer borko boro- borok boroo borre borro breek breer breke breo- brere brobo broek broer broke brook brrrr e-pro ebber ebeko ebook eeeee eepee ekeko ekker eorre erbbe erber erere erkko eroor erore error k-p-r k-pop k-rob kebbe kebek keber kebob keepe keere keppe kerek kerep kerre ko-ko kobee kober koepp koker kokko kokor kokre kopek koper koppe korbe korbo korek korke korop koror korpe korpo korro kpebo krbpe kre-o kreek kreep kreke kreo- krepe kroke kropp o-r-b oboro obreb obrok oeppo okeke okere okker okobo okoro oo-er ooooo opepe opere opobo opper oreo- orere orero orobe orobo oroer oroke p-rep pbook pbrok pebre peebo peeke peere pekoe pekre pepee peppe perer perke perko perre perro po-po pobe poker pooer pooke poope poopo poore poork popek poper popop poppe poppo poreb porer porke poro- porro pre-k preke preko preok preop probe probo proer proke proor prop- prope propp propr prore rebbe reber rebop reepe reere rekke repok repop repor reppe repro rere- reree rerob ro-ro robbe robbo rober robo- robop robor roero rokee roker rokke rokkk rooer rooke roope roore roper roppe rorer rorke rprop

bbbbbb be-bop bebook beebee beeker beeper bekker bekoor bekoro bepoor berbee berbeo berber bereke bereko berere berker berrer bobber bobeke bobrek bobrok boeber boerre bokere bokoro boober booboo booker bop-be bopeep bopper borbor boroko borore bororo breere brekke broker brokke brokkr brooke e-book eebree ekero epopee erbree kebber kebero keeker keeper keokee kepper kerber kerker koboko kokopo kokoro kokpek kookoo koopoo kopeek korber koreke korere korero korkor kororo korrek kreker kreope krokek oberek oerbke okerer okopek okpoko ookroo oooooo orpeko peeker peepee peeper peerer pepero pepkor pepper perere peroke peroor perore perper perree pookoo pooper poopoo poorer popopo poporo popper poppop porker ppoker pppppp pre-op preore prober probre proker prokke prokop proper propre reboke rebook rebore reebok reeker reeper repope repper rerobe robber roeper roepke rokker rokkor rooker roopee roopek rooper rorek

bbbbbbb berbere bkerke bo-peep bok-bok boo-boo boobook borbore borrero brekker brooker eeeroer eerbeek kee-kee kobroor kor-kor korkoro korokke kreeker kroeber obrebek okpekpe oprobre orebro orepeer oroboro pee-pee peep-bo peperek perekop perrero perrore poo-poo porebek poreber porpere porpore prebook prepere prepper propero propper re-book re-bore rebroke reprobe robobee robopop roebekk roorkee

bbbbbbbb bebopper beepbeep bekorobo bepepper berebere berepper bo-bo-bo bookkeep koekkoek kokborok kroepoek opprobre orerokpe peeppeep pepeekeo pepperer perperek perrerer poorpoor poroporo