-er b-p bbb bbe bbf bbi bbl bbp bbr bbs be- beb bee bef bei bel bep ber bes bfb bfe bff bfi bfl bfp bfr bfs bi- bib bie bif bii bil bip bir bis blb ble blf bli bll blp blr bls bpb bpe bpf bpi bpl bpp bpr bps brb bre brf bri brl brp brr brs bsb bse bsf bsi bsl bsp bsr bss ebb ebe ebf ebi ebl ebp ebr ebs eeb eee eef eel eep eer ees ef- efb efe eff efi efl efp efr efs eib eie eif eii eil eip eir eis elb ele elf eli ell elp elr els ep- epb epe epf epi epl epp epr eps erb ere erf eri erl erp err ers es- esb ese esf esi esl esp esr ess fbb fbe fbf fbi fbl fbp fbr fbs feb fee fef fei fel fep fer fes ffe fff ffi ffl ffp ffr ffs fib fie fif fii fil fip fir fis flb fle flf fli fll flp flr fls fpb fpe fpi fpl fpp fpr fps frb fre frf fri frl frp frr frs fsb fse fsf fsi fsl fsp fsr fss i-f ibb ibe ibf ibi ibl ibp ibr ibs ie- iee ief iei iel iep ier ies ifb ife iff ifi ifl ifp ifr ifs iib iie iif iii iil iip iir iis il- ilb ile ilf ili ill ilp ilr ils ipb ipe ipf ipi ipl ipp ipr ips ir- irb ire irf iri irl irp irr irs is- isb ise isf isi isl isp isr iss l-p lbb lbe lbf lbi lbl lbp lbr lbs leb lee lef lei lel lep ler les lfb lfe lff lfi lfl lfp lfr lfs lib lie lif lii lil lip lir lis llb lle llf lli lll llp llr lls lpb lpe lpf lpi lpl lpp lpr lps lrb lrf lri lrp lrr lrs lsb lse lsf lsi lsl lsp lsr lss p-p pbb pbe pbf pbi pbl pbp pbr pbs peb pee pef pei pel pep per pes pfb pfe pff pfi pfl pfp pfr pfs pib pie pif pii pil pip pir pis plb ple plf pli pll plp plr pls ppb ppe ppf ppi ppl ppp ppr pps prb pre prf pri prl prp prr prs ps- psb pse psf psi psl psp psr pss rbb rbe rbf rbi rbl rbp rbr rbs re- reb ree ref rei rel rep rer res rfb rfe rff rfi rfl rfp rfr rfs rib rie rif rii ril rip rir ris rle rlf rli rll rlp rlr rls rpb rpe rpf rpi rpl rpp rpr rps rrb rrf rri rrl rrp rrr rrs rsb rse rsf rsi rsl rsp rsr rss sbb sbe sbf sbi sbl sbp sbr sbs se- seb see sef sei sel sep ser ses sfb sfe sff sfi sfl sfp sfr sfs sib sie sif sii sil sip sir sis slb sle slf sli sll slp slr sls spb spe spf spi spl spp spr sps sr- srb sre srf sri srl srp srr srs ss- ssb sse ssf ssi ssl ssp ssr sss

bbbb bbbs bbeb bblb bbls bbpr bebb bebe bebi beeb beef beel beep beer bees befe beff beil beir beis bele beli bell belp bels bere beri berr bers bes- bese bess bffl bffs bfpp bfsi bfsr bibb bibe bibi bibl bibs bieb bief biel bier bies biff bifi 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 bpfl breb bree bref brei brel brep brer bres brie bril bris brlp brls brrr brrs brsb brsr bseb bsee bser bses bsff bsfs bspp bspr bsse ebbr ebbs ebel eber ebes ebis ebli eeee eees eefe eefl eele eels eeps eers eese eesi efbr efes effi effs efil efsi eiei eier eies eifs eile eipr eire eirs eise eiss el-b el-p elbe elbi elee elef eler eles elfe elfi elfs elie elif elil elis elle elli ells elpe elpi else epee eper epes epi- epie epil epip epis eple epll eppp epps eprb eprp eprs epsf epsi epsp epss erbb erbe ereb erei erel erer eres erfs erie eril eris erle erli erll erpe erps erre errs erse ersi esbs esee esel eser eses esfp esfs esie esil esis esli eslp espe espi espp esps esri esse essi essl essp fbis fble fbrs febs feeb feel feer fees fefe feff fefi feie feil feir feis fele felf feli fell fels feps ferb fere ferr fers fese fess ffee ffff ffii ffps ffrr ffss fibe fibp fibs fief fiel fier fies fife fiff fifi fiii fiil file fili fill fils fipp fips fire firs fise fisi fiss flee fler fles flii flip flis fprf free frei frep fres frib frie fril frip fris frps frsb fsfi fspf fssf fssp i-be ibes ibfi ibie ibis ible ibri ibsf ibss ieie iele iels iere ieri iers iesi iesr ifbb ifel ifer ifes ifil ifis ifps ifrb ifrf ifri ifsb ifsp iies iiie iiii iiis iipf iirs iisi iisp iisr ile- iler iles ilie ilir ilis ill- ille illi illp ills ilpe ilpr ilre ilse iper ipes ipie ipil ippf ippr ipri ipse ipsi ipsp ipss irbe irbp iree irel irer ires irfe iri- irie iril irip iris irlb irpe irps irre irri irrs irse irsf irsp isbe isbl iseb isee isel isep iser ises isfp isie isil isis isle isls ispe ispf ispr isps isri isrp isse issf issi issp issr isss lblr lbrs leef leel leep leer lees lefe leff leib leie leif leil leir leis lele leli lell lepe lepi lepp leps lere lerp lese less libe libr libs lieb lief liel liep lier lies life liff lifl 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 llef lles llll llps lpfp