-er b-p bbb bbe bbi bbl bbp bbr bbs bbt be- beb bee bei bel bep ber bes bet bi- bib bie bii bil bip bir bis bit blb ble bli bll blp blr bls blt bpb bpe bpi bpl bpp bpr bps bpt brb bre bri brl brp brr brs brt bsb bse bsi bsl bsp bsr bss bst btb bte bti btl btp btr bts btt ebb ebe ebi ebl ebp ebr ebs ebt eeb eee eel eep eer ees eet eib eie eii eil eip eir eis eit elb ele eli ell elp elr els elt ep- epb epe epi epl epp epr eps ept erb ere eri erl erp err ers ert es- esb ese esi esl esp esr ess est etb ete eti etl etp etr ets ett ibb ibe ibi ibl ibp ibr ibs ibt ie- iee iei iel iep ier ies iet iib iie iii iil iip iir iis iit il- ilb ile ili ill ilp ilr ils ilt ipb ipe ipi ipl ipp ipr ips ipt ir- irb ire iri irl irp irr irs irt is- isb ise isi isl isp isr iss ist itb ite iti itl itp its itt l-p lbb lbe lbi lbl lbp lbr lbs lbt leb lee lei lel lep ler les let lib lie lii lil lip lir lis lit llb lle lli lll llp llr lls llt lpb lpe lpi lpl lpp lpr lps lpt lrb lri lrp lrr lrs lrt lsb lse lsi lsl lsp lsr lss lst ltb lte lti ltl ltp ltr lts ltt p-p pbb pbe pbi pbl pbp pbr pbs pbt peb pee pei pel pep per pes pet pib pie pii pil pip pir pis pit plb ple pli pll plp plr pls plt ppb ppe ppi ppl ppp ppr pps ppt prb pre pri prl prp prr prs prt ps- psb pse psi psl psp psr pss pst pt- ptb pte pti ptl ptp ptr pts ptt rbb rbe rbi rbl rbp rbr rbs rbt re- reb ree rei rel rep rer res ret rib rie rii ril rip rir ris rit rle rli rll rlp rlr rls rlt rpb rpe rpi rpl rpp rpr rps rpt rrb rri rrl rrp rrr rrs rrt rsb rse rsi rsl rsp rsr rss rst rtb rte rti rtl rtp rtr rts rtt sbb sbe sbi sbl sbp sbr sbs sbt se- seb see sei sel sep ser ses set sib sie sii sil sip sir sis sit slb sle sli sll slp slr sls slt spb spe spi spl spp spr sps spt sr- srb sre sri srl srp srr srs srt ss- ssb sse ssi ssl ssp ssr sss sst stb ste sti stl stp str sts stt tbb tbe tbi tbl tbp tbr tbs tbt te- teb tee tei tel tep ter tes tet tib tie tii til tip tir tis tit tle tli tll tlp tlr tls tlt tpb tpe tpi tpl tpp tpr tps tpt trb tre tri trl trp trr trs trt tsb tse tsi tsl tsp tsr tss tst ttb tte tti ttl ttp ttr tts ttt

bbbb bbbs bbeb bbet bblb bbls bbpr bebb bebe bebi beeb beel beep beer bees beet beil beir beis beit bele beli bell belp bels belt bere beri berr bers bert bes- bese bess best bete beti bets bett bibb bibe bibi bibl bibs bieb biel bier bies biet biis bile bili bill bils bilt bipp bips birb bire biri birl birr birs birt bis- bise bisl bisp biss bist bite bits bitt blbt bleb blee blei bles blet blip blir blis blit blls blsp blss blst blts bpel bpti breb bree brei brel brep brer bres bret brie bril bris brit brlp brls brrr brrs brsb brsr brst bseb bsee bser bses bset bspp bspr bsse bsts btbp btie btlp btps btrt btss bttb ebbr ebbs ebel eber ebes ebis ebit ebli eeee eees eele eels eeps eers eese eesi eete eets eiei eier eies eile eipr eire eirs eise eiss eist eitb eiti eitr el-b el-p elbe elbi elee eler eles elet elie elil elis elit elle elli ells elpe elpi else elst elte elts epee eper epes epi- epie epil epip epis epit eple epll eppp epps eprb eprp eprs epsi epsp epss epte erbb erbe ereb erei erel erer eres eret erie eril eris erit erle erli erll erpe erps erre errs erse ersi erst ertl erts esbs esee esel eser eses eset esie esil esis esit esli eslp espe espi espp esps esri esse essi essl essp esst este estp estr ests etbr etee etel eter etes etre etsi ette etti i-be ibes ibet ibie ibis ible ibri ibss ibtb ibtl ibts ieet ieie iele iels iere ieri iers iesi iesr iest iett iies iiie iiii iiis iiit iirs iisi iisp iisr iist iitr iitt ile- iler iles ilet ilie ilir ilis ilit ill- ille illi illp ills illt ilpe ilpr ilre ilse ilts iper ipes ipet ipie ipil ippr ipri ipse ipsi ipsp ipss ipts irbe irbp iree irel irer ires iri- irie iril irip iris irlb irpe irps irre irri irrs irse irsp irte irti irtp irts isbe isbl isbt iseb isee isel isep iser ises iset isie isil isis isit isle isls ispe ispr isps isri isrp isse issi issp issr isss iste isti istp istr ists itbe itbs itel itep iter ites itet itie itil itis itll itri itrs itse itsi itsp lblr lbrs lbrt leel leep leer lees leet leib leie leil leir leis leit lele leli lell lepe lepi lepp leps lept lere lerp lert lese less lest lete leti lets lett libe libr libs lieb liel liep lier lies liet liii liir liis lilb lile lili lill lils lilt lip- lipb lipe lipi lipl lipp lips lire liri lirl lirp lirr lirs lirt lise lisi lisp liss list litb lite liti litl litr lits litt llbs lles llet llll llps lppl lprp lpss lptb lrps