-er -ey b-p bbb bbe bbi bbp bbr bbs bbt bby be- beb bee bei bep ber bes bet bey bi- bib bie bii bip bir bis bit biy bpb bpe bpi bpp bpr bps bpt bpy brb bre bri brp brr brs brt bry bsb bse bsi bsp bsr bss bst bsy btb bte bti btp btr bts btt bty by- bye byi byp byr bys byt ebb ebe ebi ebp ebr ebs ebt eby eeb eee eep eer ees eet eey eib eie eii eip eir eis eit ep- epb epe epi epp epr eps ept erb ere eri erp err ers ert ery es- esb ese esi esp esr ess est esy etb ete eti etp etr ets ett ety eye eyp eyr eys eyt ibb ibe ibi ibp ibr ibs ibt iby ie- iee iei iep ier ies iet iey iib iie iii iip iir iis iit ipb ipe ipi ipp ipr ips ipt ipy ir- irb ire iri irp irr irs irt iry is- isb ise isi isp isr iss ist isy itb ite iti itp its itt ity iye iyr iys iyt iyy p-p pbb pbe pbi pbp pbr pbs pbt pby peb pee pei pep per pes pet pey pib pie pii pip pir pis pit ppb ppe ppi ppp ppr pps ppt prb pre pri prp prr prs prt pry ps- psb pse psi psp psr pss pst psy pt- ptb pte pti ptp ptr pts ptt pty py- pyb pye pyr pys pyt rbb rbe rbi rbp rbr rbs rbt re- reb ree rei rep rer res ret rey rib rie rii rip rir ris rit riy rpb rpe rpi rpp rpr rps rpt rrb rri rrp rrr rrs rrt rsb rse rsi rsp rsr rss rst rtb rte rti rtp rtr rts rtt rty ry- rye ryr rys ryy sbb sbe sbi sbp sbr sbs sbt sby se- seb see sei sep ser ses set sey sib sie sii sip sir sis sit spb spe spi spp spr sps spt spy sr- srb sre sri srp srr srs srt sry ss- ssb sse ssi ssp ssr sss sst stb ste sti stp str sts stt sty sy- syb sye syi syp syr sys syt tbb tbe tbi tbp tbr tbs tbt te- teb tee tei tep ter tes tet tey tib tie tii tip tir tis tit tiy tpb tpe tpi tpp tpr tps tpt trb tre tri trp trr trs trt try tsb tse tsi tsp tsr tss tst tsy ttb tte tti ttp ttr tts ttt tty tye typ tyr tys tyt ybe ybi ybp ybr ybs yby yeb yee yei yep yer yes yet yey yie yii yip yir yis yit yps yre yrp yrs yrt ysb yse ysi ysp ysr yss yst ysy yte ytp ytr yts ytt yyb yye yys yyt yyy

bbbb bbbs bbeb bbet bbpr bebb bebe bebi beby beeb beep beer bees beet beey beir beis beit bere beri berr bers bert bery bes- bese bess best besy bete beti bets bett beye beyi beys beyt bibb bibe bibi bibs bieb bier bies biet biis bipp bips birb bire biri birr birs birt biry bis- bise bisp biss bist bisy bite bits bitt biys bpti breb bree brei brep brer bres bret brey brie bris brit brrr brrs brsb brsr brst bry- brye bseb bsee bser bses bset bspp bspr bsse bsts btbp btie btps btrt btry btss bttb byer byes byit byre byrt bysb byse bysi bysp byss byst bysy byte byts ebbr ebbs ebby eber ebes ebis ebit eeby eeee eees eeps eers eery eese eesi eesy eete eets eiei eier eies eipr eire eirs eiry eise eiss eist eisy eitb eiti eitr epee eper epes epi- epie epip epis epit eppp epps eppy eprb eprp eprs epsi epsp epss epte erbb erbe ereb erei erer eres eret erie eris erit erpe erps erre errs erse ersi erst erts erye esbs esee eser eses eset esie esis esit espe espi espp esps espy esri esse essi essp esst essy este estp estr ests esty etbr etee eter etes etre etsi etsy ette etti etty eyeb eyer eyes eyet eyey eyir eype eyre eyry eyse eyst eyte eyyr i-be i-by ibes ibet ibie ibis ibri ibss ibtb ibts ibyi ieet ieie iere ieri iers iesi iesr iest iett iies iiie iiii iiis iiit iirs iisi iisp iisr iist iitr iitt iper ipes ipet ipie ippr ippy ipri ipse ipsi ipsp ipss ipts irbe irbp irby iree irer ires iri- irie irip iris iriy irpe irps irre irri irrs irse irsp irte irti irtp irts isbe isbt iseb isee isep iser ises iset isie isis isit ispe ispr isps ispy isri isrp isse issi issp issr isss issy iste isti istp istr ists isty isys itbe itbs itby itep iter ites itet itie itis itri itrs itry itse itsi itsp itsy itty iyer iyet iypt iyre iyse pbrs pbsp peep peer pees peet peip peir peis peit pepe pepi peps per- pere peri perp perr pers pert pery pese pesi pess pest pesy pete peti petr pets pett pety peyr peys pibb pibi piep pier pies piet piip pipe pipi pipp pips pipy pire piri pirr pirs piry pise pisi piss pist pisy pite piti pitr pits pitt pity piye piys pper ppib ppie pppp ppps ppss ppts pptt ppye prbs pre- preb pree prep pres pret prey pri- prie prii pris prps prri prrs prse prsi prss prti prtp prtr prys psbr psbt pseb psei psip psis pspi pspp pspr psps psrp psse psst psts psy- psys pter pyep pyes pyet pype pypy pyr- pyre pyri pyry pyse pyss pyst pyte pytt rbbb rbbr rbbs rbis rbsp rbss rbst rebb rebe rebs reeb reep rees reet reii reir reis reit repe repi repp repr reps rept repy rere reri rers rert rery rese resi resp ress rest rete reti retr rets rett rety reye reys rib- ribe ribs riby riep rier