-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