-er b-p bbb bbe bbi bbl bbp bbr bbs be- beb bee bei bel bep ber bes bi- bib bie bii bil bip bir bis blb ble bli bll blp blr bls bpb bpe bpi bpl bpp bpr bps brb bre bri brl brp brr brs bsb bse bsi bsl bsp bsr bss ebb ebe ebi ebl ebp ebr ebs eeb eee eel eep eer ees eib eie eii eil eip eir eis elb ele eli ell elp elr els ep- epb epe epi epl epp epr eps erb ere eri erl erp err ers es- esb ese esi esl esp esr ess ibb ibe ibi ibl ibp ibr ibs ie- iee iei iel iep ier ies iib iie iii iil iip iir iis il- ilb ile ili ill ilp ilr ils ipb ipe ipi ipl ipp ipr ips ir- irb ire iri irl irp irr irs is- isb ise isi isl isp isr iss l-p lbb lbe lbi lbl lbp lbr lbs leb lee lei lel lep ler les lib lie lii lil lip lir lis llb lle lli lll llp llr lls lpb lpe lpi lpl lpp lpr lps lrb lri lrp lrr lrs lsb lse lsi lsl lsp lsr lss p-p pbb pbe pbi pbl pbp pbr pbs peb pee pei pel pep per pes pib pie pii pil pip pir pis plb ple pli pll plp plr pls ppb ppe ppi ppl ppp ppr pps prb pre pri prl prp prr prs ps- psb pse psi psl psp psr pss rbb rbe rbi rbl rbp rbr rbs re- reb ree rei rel rep rer res rib rie rii ril rip rir ris rle rli rll rlp rlr rls rpb rpe rpi rpl rpp rpr rps rrb rri rrl rrp rrr rrs rsb rse rsi rsl rsp rsr rss sbb sbe sbi sbl sbp sbr sbs se- seb see sei sel sep ser ses sib sie sii sil sip sir sis slb sle sli sll slp slr sls spb spe spi spl spp spr sps sr- srb sre sri srl srp srr srs ss- ssb sse ssi ssl ssp ssr sss

bbbb bbbs bbeb bblb bbls bbpr bebb bebe bebi beeb beel beep beer bees beil beir beis bele beli bell belp bels bere beri berr bers bes- bese bess bibb bibe bibi bibl bibs bieb biel bier bies biis bile bili bill bils bipp bips birb bire biri birl birr birs bis- bise bisl bisp biss bleb blee blei bles blip blir blis blls blsp blss bpel breb bree brei brel brep brer bres brie bril bris brlp brls brrr brrs brsb brsr bseb bsee bser bses bspp bspr bsse ebbr ebbs ebel eber ebes ebis ebli eeee eees eele eels eeps eers eese eesi eiei eier eies eile eipr eire eirs eise eiss el-b el-p elbe elbi elee eler eles elie elil elis elle elli ells elpe elpi else epee eper epes epi- epie epil epip epis eple epll eppp epps eprb eprp eprs epsi epsp epss erbb erbe ereb erei erel erer eres erie eril eris erle erli erll erpe erps erre errs erse ersi esbs esee esel eser eses esie esil esis esli eslp espe espi espp esps esri esse essi essl essp i-be ibes ibie ibis ible ibri ibss ieie iele iels iere ieri iers iesi iesr iies iiie iiii iiis iirs iisi iisp iisr ile- iler iles ilie ilir ilis ill- ille illi illp ills ilpe ilpr ilre ilse iper ipes ipie ipil ippr ipri ipse ipsi ipsp ipss irbe irbp iree irel irer ires iri- irie iril irip iris irlb irpe irps irre irri irrs irse irsp isbe isbl iseb isee isel isep iser ises isie isil isis isle isls ispe ispr isps isri isrp isse issi issp issr isss lblr lbrs leel leep leer lees leib leie leil leir leis lele leli lell lepe lepi lepp leps lere lerp lese less libe libr libs lieb liel liep lier lies liii liir liis lilb lile lili lill lils lip- lipb lipe lipi lipl lipp lips lire liri lirl lirp lirr lirs lise lisi lisp liss llbs lles llll llps lppl lprp lpss lrps lrrr lrse ls-r lses lspl lspr lssp lssr pbil pbrs pbsp pebl peel peep peer pees peil peip peir peis pel- pelb pele pell pels pepe pepi peps per- pere peri perl perp perr pers pese pesi pess pibb pibi piel piep pier pies piip pil- pile pili pill pils pipe pipi pipp pips pire piri pirl pirr pirs pise pisi piss plbr ple- pleb plee plei ples plib plie plip plis plpp plri plsi plss pper ppib ppie pple ppli pppp ppps ppss prbs pre- preb pree prel prep pres pri- prie prii pris prle prlr prls prps prri prrs prse prsi prsl prss psbr pseb psei psel psil psip psis pspi pspp pspr psps psrp psse rbbb rbbr rbbs rbis rble rbsl rbsp rbss rebb rebe rebs reeb reel reep rees reii reil reir reis relb rele rell relp rels repe repi repl repp repr reps rere reri rers rese resi resp ress rib- ribe ribs riel riep rier ries riis rile rill rilp ripe ripi ripl ripp ripr rips rire riri rirs rise risi risp riss rlee rlls rpii rpls rpps rrle rrrr rrsp rsbi rsee rsis rslp rspb rsps rsre rssl s-ib s-ii sbbs sber sbse sbsi sbsp se-e se-i se-s sebe sebi sebs seeb seel seep seer sees seie seii seil seip seir seis selb sele seli sell sels sepe sepi sepp sepr seps serb sere seri serp serr sers sese sesi sess sibe sibi sibs siel sier sies sil- sile sili sill sils sipe sipi sipp sips sire siri sirp sirr sirs sise sisi siss sl-i slbp sleb slee slep sler sles slib slie slip slir sllp slpi slpp slps slre slrp slrs speb spee spel sper spes spib spie spip spir spis sple splp splr spls spps spri sprs spse spsp spss sreb sres srib sris srps srsp ssbr ssee