-er -ic bbb bbc bbe bbh bbi bbl bbr bbs bcb bcc bce bch bci bcl bcr bcs be- beb bec bee beh bei bel ber bes bhb bhc bhe bhh bhi bhl bhr bhs bi- bib bic bie bih bii bil bir bis blb blc ble blh bli bll blr bls brb bre brh bri brl brr brs bsb bsc bse bsh bsi bsl bsr bss c-- cbb cbc cbe cbh cbi cbl cbr cbs ccb ccc cce cch cci ccl ccr ccs ce- ceb cec cee ceh cei cel cer ces ch- chb chc che chh chi chl chr chs ci- cib cic cie cih cii cil cir cis cl- clb clc cle clh cli cll clr cls crb crc cre crh cri crl crr crs csb csc cse csh csi csl csr css ebb ebc ebe ebh ebi ebl ebr ebs ec- ecb ecc ece ech eci ecl ecr ecs eeb eec eee eel eer ees ehb ehc ehe ehh ehi ehl ehr ehs eib eic eie eii eil eir eis elb elc ele elh eli ell elr els erb erc ere erh eri erl err ers es- esb esc ese esh esi esl esr ess h-i hbb hbc hbe hbh hbi hbl hbr hbs hcb hcc hce hch hci hcl hcr hcs he- heb hec hee heh hei hel her hes hhb hhc hhe hhh hhi hhl hhr hhs hib hic hie hih hii hil hir his hlb hlc hle hlh hli hll hlr hls hr- hrb hrc hre hrh hri hrl hrr hrs hsb hsc hse hsh hsi hsl hsr hss ibb ibc ibe ibh ibi ibl ibr ibs icb icc ice ich ici icl icr ics ie- iec iee iei iel ier ies ihb ihc ihe ihh ihi ihl ihr ihs iib iic iie iih iii iil iir iis il- ilb ilc ile ilh ili ill ilr ils ir- irb irc ire iri irl irr irs is- isb isc ise ish isi isl isr iss lbb lbc lbe lbh lbi lbl lbr lbs lcb lcc lce lch lci lcl lcr lcs leb lec lee leh lei lel ler les lhb lhc lhh lhi lhr lhs lib lic lie lih lii lil lir lis llb llc lle lli lll llr lls lrb lrc lrh lri lrr lrs lsb lsc lse lsh lsi lsl lsr lss rbb rbc rbe rbh rbi rbl rbr rbs rcb rcc rce rch rci rcl rcr rcs re- reb rec ree reh rei rel rer res rh- rhb rhc rhe rhh rhi rhl rhr rhs rib ric rie rih rii ril rir ris rlc rle rlh rli rll rlr rls rrb rrc rrh rri rrl rrr rrs rsb rsc rse rsh rsi rsl rsr rss sbb sbc sbe sbh sbi sbl sbr sbs scb scc sce sch sci scl scr scs se- seb sec see seh sei sel ser ses sh- shb shc she shh shi shl shr shs sib sic sie sih sii sil sir sis slb slc sle slh sli sll slr sls sr- srb src sre srh sri srl srr srs ss- ssb ssc sse ssh ssi ssl ssr sss

bbbb bbbs bbch bbci bbeb bbhs bblb bbls bbrc bcbc bcbs bccc bcci bccl bccs bcec bcer bces bche bchs bcie bcis bcrs bcsc bcsl bcss bebb bebe bebi bech beci becs beeb beel beer bees behr behs beic beil beir beis bele beli bell bels berc bere beri berr bers bes- bese besh bess bhcc bhel bher bhhs bhie bhil bhir bibb bibe bibi bibl bibs bicc bice bich bici bics bieb biel bier bies bihe bihi bihl bihs biis bile bili bill bils birb bire biri birl birr birs bis- bisc bise bish bisl biss bleb blee bleh blei bles blhs blic blir blis blls blrc blss brcb brce breb brec bree brei brel brer bres brhs bric brie brih bril bris brls brrr brrs brsb brsr bsci bscs bseb bsec bsee bser bses bshs bsic bslc bssc bsse cbbc cbbs cbcc cbce cbcl cbcr cbcs cbec cbee cber cbhl cbhs cbir cblb cblc cbre cbrh cbrl cbsc cbse cbsi ccbc cccb cccc ccci cccl cccs ccee ccel cche cchl cchr cchs ccic ccii ccil ccir ccis cclc ccli ccls ccrc ccre ccri ccrl ccrs ccsi ccsl ccss cebs cec- cece ceci cecs ceeb ceec ceel cees cehl cehs ceil cel- celc cele celi cell cels cer- cerc cere ceri cerl cers cesc cese cesi cesr cess chce chch chci chcs cheb chec chee cheh chel cher ches chhs chib chic chie chih chil chir chis chlc chlr chrb chrc chrr chrs chsc chse chsh chsi chsr cibc cibe cibi cicc cich cici cicr cics ciee ciel cier cies cihr cihs ciii ciis cili cill cils cirb circ cire cirh ciri cirl cirr cirs cis- cisc cise cish cisl cisr ciss clec clee clei cler cles clhs clib clic clii clir clis clri clrs clsc crbc crcc crce crcr cre- creb crec cree creh crei cres crhs crib cric crie cris crls crss cscb cscc csce csch csci cscl cscr cscs csec csee cseh cser cshl cshs csib csir csis cslr csrc csrs csse cssr e-cl ebbc ebbr ebbs ebcc ebel eber ebes ebhs ebic ebis ebli ecbc ecbe eccb eccc ecce ecci eccl eces eche echl echs ecib ecil ecis ecrc ecri ecrl ecrr ecsc ecse ecss eecs eeee eees eehs eele eels eerc eers eese eesi ehcc eheh ehel eher ehhs ehis ehle ehre eich eics eiec eiei eier eies eile eire eirs eise eish eiss el-b elbe elbi elcb elce elch elec elee eleh eler eles elhi elhs elic elie elil elis elle elli ells else erbb erbe ercc erce erch ereb erec erei erel erer eres erhc erhs eric erie erih eril eris erle erli erll errc erre errs erse ersh ersi esbs escb esce esch esci escr escs esee esel eser eses eshs esie esil esis esli esri esse essh essi essl h-ii hbbs hbes hbhs hbic hbrs hbss hcbc hcbs