-er b-p bbb bbe bbk bbo bbp bbr bbx be- beb bee bek beo bep ber bex bkb bke bkk bko bkp bkr bkx bob boe bok boo bop bor box bpb bpe bpo bpp bpr bpx brb bre brk bro brp brr brx bxb bxo bxx ebb ebe ebk ebo ebp ebr ebx eeb eee eek eeo eep eer eex ekb eke eko ekp ekr eo- eob eoe eok eoo eop eor ep- epb epe epo epp epr epx erb ere erk ero erp err ex- exe exo exp exr exx kbb kbe kbk kbo kbp kbr kbx ke- keb kee kek keo kep ker kex kkb kke kkk kkp kkr kob koe kok koo kop kor kpe kpk kpo kpp kpr krk kro krp krr kxo ob- obb obe obk obo obp obr obx oeb oee oeo oep oer oex okb oke okk oko okp okr oo- oob ook ooo oop oor oox op- opb ope opk opo opp opr opx or- orb ore ork oro orp orr orx ox- oxb oxo oxx p-p pbb pbe pbk pbo pbp pbr pbx peb pee pek peo pep per pex pkb pke pko pkp pkr pob poe pok poo pop por pox ppb ppe ppk ppo ppp ppr ppx prb pre prk pro prp prr prx pxe pxk pxr rbb rbe rbk rbo rbp rbr rbx re- reb ree rek reo rep rer rex rkb rke rkk rko rkp rob roe rok roo rop ror rox rpb rpe rpk rpo rpp rpr rpx rrb rrk rrp rrr rxp rxr xbe xbr xbx xee xep xer xex xkb xke xok xoo xop xor xox xpb xpe xpo xpp xrx xxo xxp xxx

bbbb bbeb bbox 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 boox bope bopp bor- bore bork boro borr bpoe breb bree brek breo brep brer brex brkb brob broe brok broo bror brox brrr ebbo ebbr eber eboe eboo ebor ebox ebpo ebro eeee eeke eero ekeb ekek eker ekpe ekpo eore epee eper epor epox eppo eppp eprb epro eprp epxp er-x erbb erbe ereb erer erke erob eroe eroo erpe erre erro exer exo- exor expo expr exrx kbbb kbbe kbbk kbbo kbbr kbeb kbee kbek kbeo kber kbex kbkb kbkk kbko kbkr kbob kboe kbok kboo kbox kbpe kbpk kbpo kbpr kbrb kbre kbrk kbro kbrx kbxb kbxr kbxx kebb kebe kebr keek keep keer kekb keke keko keok kep- kepe kepx ker- kerb kere kerk kero kerp kerr kerx kexb kexo kexx kkbb kkbe kkbo kkbr kkex kkkk kkob kkoo kkor kkpk kkrb kkre kkrk kkro kkrr kkrx kkxk kkxx kobb kobe kobk kobo kobr kokb koke kokk koko kokp kokr kokx koob kook kooo koop koor kopb kope kopp kopr korb kore kork koro korr koxe koxr kpbb kpbe kpbr kpbx kpek kper kpke kpkk kpkr kpkx kpob kpoe kpok kpoo kpop kppk kppo kppp kppr kprb kpre kprk kpro kprp kprr kpxp kpxr krbb krbe krbk krbr krbx kreb kree krek kreo krex krke krkk krko krkr krkx krob kroe krok kroo krop kror krox krpr krpx krrb krre krrk krro krrr krrx krxb krxk krxo krxp krxr krxx kxbr kxbx kxeo kxex kxkk kxkx kxok kxoo kxor kxox kxpk kxpo kxpr kxrb kxre kxrk kxro kxrp kxrr kxrx kxxe kxxk kxxo kxxr kxxx o-eo obbo ober obex obkb oboe obok obor obox obre obro oere oker okko okok okor okpe okpo okre okro oobe ooer oooo oore opep oper opex opo- opor oppo orbb orbe orbo ore- oreb orek oreo orer orex orke orko oro- oroe orok oror orpe orro oxep oxer oxo- oxox oxxo 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 prex pro- prob proe proo prop prox rbbb rbbr rebb rebe rebk rebo reeb reek reep reke reko reop repe repo repp repr rere rero rexx rob- robb robe robo roer roke rokk roko rokr roob rook roop roor roox rope ropo rore rork roro roxo rpob rpoe rrrr xbee xbox xeer xeko xer- xero xexe xoro xorp xoxo xper xrep xxxo xxxx

b-r-k bbbee bbook be-er be-ro bebek beber bebop bebox 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 borex borko boro- borok boroo borox borre borro boxbe boxee boxer bre-x breek breer breke breo- brere brobo broek broer broke brook brrrr e-box e-pro ebber ebeko ebook eeeee eepee ekeko ekker eorre erbbe erber erere erkko eroor erore error exorb exore exper expro k-box k-p-r k-pop k-rob k-x-p kebbe kebek keber kebob keepe keere keppe kerek kerep kerre kkbox 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 orexo orobe orobo oroer oroke p-box p-o-x p-rep pbook pbrok pebre peebo peeke peere pekoe pekre pepee peppe perer perke perko perox perre perro po-po pobe pobox poker pooer pooke poope poopo poore poork popek poper popex popop poppe poppo poreb porer porke poro- porro pppox pre-k preke preko preok preop probe probo proer proke proor prop- prope propp propr prore rebbe reber rebop rebox reepe reere rekke reorx repok repop repor reppe repro rere- reree rerob rexer ro-ro robbe robbo rober robo- robop robor roero rokee roker rokke rokkk rooer rooke roope roore roper roppe rorer rorke rprop x-box xbxrx xerbo xero- xerox xexex xorro xoxox xpeke

bbbbbb be-bop