-er b-p bbb bbe bbi bbp bbr bbs bbt be- beb bee bei bep ber bes bet bez bi- bib bie bii bip bir bis bit biz bpb bpe bpi bpp bpr bps bpt brb bre bri brp brr brs brt brz bsb bse bsi bsp bsr bss bst btb bte bti btp btr bts btt btz bze bzp bzr bzs bzz ebb ebe ebi ebp ebr ebs ebt eeb eee eep eer ees eet eib eie eii eip eir eis eit ep- epb epe epi epp epr eps ept epz erb ere eri erp err ers ert erz es- esb ese esi esp esr ess est etb ete eti etp etr ets ett etz eze ezr ezs ezz ibb ibe ibi ibp ibr ibs ibt ibz ie- iee iei iep ier ies iet iib iie iii iip iir iis iit ipb ipe ipi ipp ipr ips ipt ir- irb ire iri irp irr irs irt is- isb ise isi isp isr iss ist itb ite iti itp its itt itz ize izi izz p-p pbb pbe pbi pbp pbr pbs pbt pbz peb pee pei pep per pes pet pez pib pie pii pip pir pis pit piz ppb ppe ppi ppp ppr pps ppt ppz prb pre pri prp prr prs prt prz ps- psb pse psi psp psr pss pst pt- ptb pte pti ptp ptr pts ptt ptz pzp pzt rbb rbe rbi rbp rbr rbs rbt re- reb ree rei rep rer res ret rez rib rie rii rip rir ris rit riz rpb rpe rpi rpp rpr rps rpt rpz rrb rri rrp rrr rrs rrt rsb rse rsi rsp rsr rss rst rtb rte rti rtp rtr rts rtt rtz rzb rze sbb sbe sbi sbp sbr sbs sbt se- seb see sei sep ser ses set sez sib sie sii sip sir sis sit spb spe spi spp spr sps spt spz sr- srb sre sri srp srr srs srt ss- ssb sse ssi ssp ssr sss sst ssz stb ste sti stp str sts stt stz sze szi szp szr tbb tbe tbi tbp tbr tbs tbt tbz te- teb tee tei tep ter tes tet tez tib tie tii tip tir tis tit tiz tpb tpe tpi tpp tpr tps tpt tpz trb tre tri trp trr trs trt trz tsb tse tsi tsp tsr tss tst ttb tte tti ttp ttr tts ttt tze tzs zbb zbr zbs zbt zeb zee zep zer zes zet zez zib zie zip zir zis zit ziz zpe zpi zpp zpr zpt zrp zrs zse zsi zst zsz zte ztr zzr zzs zzt zzz

bbbb bbbs bbeb bbet bbpr bebb bebe bebi beeb beep beer bees beet beir beis beit bere beri berr bers bert bes- bese bess best bete beti bets bett betz beze bezi bibb bibe bibi bibs bieb bier bies biet biis bipp bips birb bire biri birr birs birt bis- bise bisp biss bist bite bits bitt bitz bize bizz bpti breb bree brei brep brer bres bret brez brie bris brit briz brrr brrs brsb brsr brst bseb bsee bser bses bset bspp bspr bsse bsts btbp btie btps btrt btss bttb bzer bzie bzip bzzt bzzz ebbr ebbs eber ebes ebis ebit eeee eees eeps eers eese eesi eete eets eeze eiei eier eies eipr eire eirs eise eiss eist eitb eiti eitr epee eper epes epi- epie epip epis epit eppp epps eprb eprp eprs epsi epsp epss epte erbb erbe ereb erei erer eres eret erez erie eris erit eriz erpe erps erre errs erse ersi erst erts ertz erzi esbs esee eser eses eset esie esis esit espe espi espp esps esri esse essi essp esst este estp estr ests etbr etee eter etes etre etsi ette etti ezer ezri i-be ibes ibet ibie ibis ibri ibss ibtb ibts 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 ipri ipse ipsi ipsp ipss ipts irbe irbp iree irer ires iri- irie irip iris 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 isri isrp isse issi issp issr isss iste isti istp istr ists itbe itbs itep iter ites itet itie itis itri itrs itse itsi itsp izes izet izze pbrs pbsp peep peer pees peet peip peir peis peit pepe pepi peps per- pere peri perp perr pers pert pese pesi pess pest pete peti petr pets pett petz peze pibb pibi piep pier pies piet piip pipe pipi pipp pips pire piri pirr pirs pise pisi piss pist pisz pite piti pitr pits pitt pitz pize pper ppib ppie pppp ppps ppss ppts pptt prbs pre- preb pree prep pres pret prez pri- prie prii pris prps prri prrs prse prsi prss prti prtp prtr psbr psbt pseb psei psip psis pspi pspp pspr psps psrp psse psst psts pter rbbb rbbr rbbs rbis rbsp rbss rbst rebb rebe rebs reeb reep rees reet reii reir reis reit reiz repe repi repp repr reps rept rere reri rers rert rese resi resp ress rest rete reti retr rets rett retz reze rezi rib- ribe ribs riep rier ries riet riez riis ripe ripi ripp ripr rips ript rire riri rirs rise risi risp riss rist rite riti rits ritt ritz rize rizi rizz rpet rpii rpps rpts rrrr rrsp rsbi rsee rsis rspb rsps rsre rstp rsts rtee rtei rtes rtps rtss rttp rtts rzip s-ib s-ii sbbs sber sbse sbsi sbsp sbst se-e se-i se-s se-t se-z sebe sebi sebs sebt seeb seep seer sees seet seez seie seii seip seir seis seit sepe sepi sepp sepr seps sept serb sere seri serp serr sers sert sese sesi sess sest set- sete seti sets sett setz sibe sibi sibs sier sies siit sipe sipi sipp sips sipt sire