-er b-p bbb bbe bbh bbi bbp bbr bbs be- beb bee beh bei bep ber bes bhb bhe bhh bhi bhp bhr bhs bi- bib bie bih bii bip bir bis bpb bpe bph bpi bpp bpr bps brb bre brh bri brp brr brs bsb bse bsh bsi bsp bsr bss ebb ebe ebh ebi ebp ebr ebs eeb eee eep eer ees ehb ehe ehh ehi ehp ehr ehs eib eie eii eip eir eis ep- epb epe eph epi epp epr eps erb ere erh eri erp err ers es- esb ese esh esi esp esr ess h-i hbb hbe hbh hbi hbp hbr hbs he- heb hee heh hei hep her hes hhb hhe hhh hhi hhp hhr hhs hib hie hih hii hip hir his hpb hpe hph hpi hpp hpr hps hr- hrb hre hrh hri hrp hrr hrs hsb hse hsh hsi hsp hsr hss ibb ibe ibh ibi ibp ibr ibs ie- iee iei iep ier ies ihb ihe ihh ihi ihp ihr ihs iib iie iih iii iip iir iis ipb ipe ipi ipp ipr ips ir- irb ire iri irp irr irs is- isb ise ish isi isp isr iss p-p pbb pbe pbi pbp pbr pbs peb pee peh pei pep per pes phb phe phi php phr phs pib pie pih pii pip pir pis ppb ppe pph ppi ppp ppr pps prb pre prh pri prp prr prs ps- psb pse psh psi psp psr pss rbb rbe rbh rbi rbp rbr rbs re- reb ree reh rei rep rer res rh- rhb rhe rhh rhi rhp rhr rhs rib rie rih rii rip rir ris rpb rpe rph rpi rpp rpr rps rrb rrh rri rrp rrr rrs rsb rse rsh rsi rsp rsr rss sbb sbe sbh sbi sbp sbr sbs se- seb see seh sei sep ser ses sh- shb she shh shi shp shr shs sib sie sih sii sip sir sis spb spe sph spi spp spr sps sr- srb sre srh sri srp srr srs ss- ssb sse ssh ssi ssp ssr sss

bbbb bbbs bbeb bbhs bbpr bebb bebe bebi beeb beep beer bees behr behs beir beis bere beri berr bers bes- bese besh bess bher bhhs bhie bhir bibb bibe bibi bibs bieb bier bies bihe bihi bihs biis bipp bips birb bire biri birr birs bis- bise bish bisp biss bphs breb bree brei brep brer bres brhs brie brih bris brrr brrs brsb brsr bseb bsee bser bses bshs bspp bspr bsse ebbr ebbs eber ebes ebhs ebis eeee eees eehs eeps eers eese eesi eheh eher ehhs ehis ehre eiei eier eies eipr eire eirs eise eish eiss epee eper epes eph- ephi ephs epi- epie epip epis eppp epps eprb eprp eprs epsi epsp epss erbb erbe ereb erei erer eres erhs erie erih eris erpe erps erre errs erse ersh ersi esbs esee eser eses eshs esie esis espe espi espp esps esri esse essh essi essp h-ii hbbs hbes hbhs hbrs hbss hebb hebe hebi hebr heeb heep heer hees hehe hehs heie heih heir heis hepe hepi hepp heps herb here heri herp herr hers hesh hesp hess hhhh hhhs hhip hibi hiei hier hies hihe hihi hiie hiis hipe hipp hips hire hiri hirs hisb hise hish hiss hphs hppe hpps hpse hpss hree hrhs hrib hrip hrpp hrps hsei hses hshs hsps hsse hssp i-be ibeh ibes ibie ibis ibri ibss ieie iere ieri iers iesi iesr ihep iher ihis ihre ihss iies iiie iiii iiis iirs iisi iisp iisr iper ipes iphr ipie ippr ipri ipse ipsi ipsp ipss irbe irbp iree irer ires irhs iri- irie irip iris irpe irps irre irri irrs irse irsp isbe iseb isee iseh isep iser ises ishe ishi ishr ishs isie isis ispe ispr isps isri isrp isse issh issi issp issr isss pbhs pbrs pbsp peep peer pees pehe pehr peip peir peis pepe pepi peps per- pere perh peri perp perr pers pese pesi pess phbs phe- phhs phi- phip phis phrr phrs pibb pibi piep pier pies piip pipe pipi pipp pips pire piri pirr pirs pise pish pisi piss pper pphi pphs ppib ppie ppih pppp ppps ppsh ppss prbs pre- preb pree prep pres prhs pri- prie prii pris prps prri prrs prse prsi prss psbr pseb psei pshs psip psis psph pspi pspp pspr psps psrp psse rbbb rbbr rbbs rbhs rbis rbsp rbss rebb rebe rebs reeb reep rees rehb rehe rehi rehs reii reir reis repe repi repp repr reps rere reri rers rese resh resi resp ress rheb rhee rhes rhhs rhib rib- ribe ribs riep rier ries rihs riis ripe ripi ripp ripr rips rire riri rirs rise rish risi risp riss rphs rpii rpps rrhs rrrr rrsp rsbi rsee rshs rsis rspb rsps rsre s-ib s-ii sbbs sber sbhs sbse sbsi sbsp se-e se-h se-i se-s sebe sebi sebs seeb seeh seep seer sees sehe sehr sehs seie seih seii seip seir seis sepe sepi sepp sepr seps serb sere seri serp serr sers sese sesh sesi sess shbs she- sheb shee sheh shep sher shes shhh shhs shib shie shih shii ship shir shis shps shre shri shrp shrs sibe sibi sibs sier sies sihi sihr sihs sipe sipi sipp sips sire siri sirp sirr sirs sise sish sisi siss speb spee sper spes sphr sphs spib spie spip spir spis spps spri sprs spse spsp spss sreb sres srhs srib sris srps srsp ssbr ssee ssep sses sshs ssis sspe ssps ssri ssrs sssb sssh sssi ssss

bbbee bbser be-er beber bebes beebe beebs beepi beeps beeri beers beher behie behir beibi beier beihe beire beirs beppe berbe bereh berei beres berhe berie beris berre berri berse besee beshe besie besri besse bessi bheer bhees bheri bibbe bibbs biber bibes bibie bibis bibri biebe biebs biere bieri biers biher bipes bipib birie birrs birse bisee biseh bisei