-er -ic bbb bbc bbd bbe bbi bbl bbr bbs bcb bcc bcd bce bci bcl bcr bcs bdb bdc bdd bde bdi bdl bdr bds be- beb bec bed bee bei bel ber bes bi- bib bic bid bie bii bil bir bis blb blc bld ble bli bll blr bls brb brd bre bri brl brr brs bsb bsc bsd bse bsi bsl bsr bss c-- cbb cbc cbd cbe cbi cbl cbr cbs ccb ccc ccd cce cci ccl ccr ccs cdb cdc cdd cde cdi cdl cdr cds ce- ceb cec ced cee cei cel cer ces ci- cib cic cid cie cii cil cir cis cl- clb clc cld cle cli cll clr cls crb crc crd cre cri crl crr crs csb csc csd cse csi csl csr css dbb dbc dbd dbe dbi dbl dbr dbs dcb dcc dcd dce dci dcl dcr dcs ddb ddc ddd dde ddi ddl ddr dds de- deb dec ded dee dei del der des di- dib dic did die dii dil dir dis dl- dlb dlc dld dle dli dll dlr dls drb drc drd dre dri drl drr drs dsb dsc dsd dse dsi dsl dsr dss ebb ebc ebd ebe ebi ebl ebr ebs ec- ecb ecc ecd ece eci ecl ecr ecs ed- edb edc edd ede edi edl edr eds eeb eec eed eee eel eer ees eib eic eid eie eii eil eir eis elb elc eld ele eli ell elr els erb erc erd ere eri erl err ers es- esb esc esd ese esi esl esr ess i-d ibb ibc ibd ibe ibi ibl ibr ibs icb icc icd ice ici icl icr ics idb idc idd ide idi idl idr ids ie- iec ied iee iei iel ier ies iib iic iid iie iii iil iir iis il- ilb ilc ild ile ili ill ilr ils ir- irb irc ird ire iri irl irr irs is- isb isc isd ise isi isl isr iss lbb lbc lbd lbe lbi lbl lbr lbs lcb lcc lcd lce lci lcl lcr lcs ldb ldc ldd lde ldi ldl ldr lds leb lec led lee lei lel ler les lib lic lid lie lii lil lir lis llb llc lld lle lli lll llr lls lrb lrc lrd lri lrr lrs lsb lsc lsd lse lsi lsl lsr lss rbb rbc rbd rbe rbi rbl rbr rbs rcb rcc rcd rce rci rcl rcr rcs rdb rdc rdd rde rdi rdl rdr rds re- reb rec red ree rei rel rer res rib ric rid rie rii ril rir ris rlc rld rle rli rll rlr rls rrb rrc rrd rri rrl rrr rrs rsb rsc rsd rse rsi rsl rsr rss sbb sbc sbd sbe sbi sbl sbr sbs scb scc scd sce sci scl scr scs sdb sdc sdd sde sdi sdl sdr sds se- seb sec sed see sei sel ser ses sib sic sid sie sii sil sir sis slb slc sld sle sli sll slr sls sr- srb src srd sre sri srl srr srs ss- ssb ssc ssd sse ssi ssl ssr sss