-er -ic bbb bbc bbe bbi bbl bbm bbr bcb bcc bce bci bcl bcm bcr be- beb bec bee bei bel bem ber bi- bib bic bie bii bil bim bir blb blc ble bli bll blm blr bmb bmc bme bmi bml bmm bmr brb bre bri brl brm brr c-- cbb cbc cbe cbi cbl cbm cbr ccb ccc cce cci ccl ccm ccr ce- ceb cec cee cei cel cem cer ci- cib cic cie cii cil cim cir cl- clb clc cle cli cll clm clr cmb cmc cme cmi cml cmm cmr crb crc cre cri crl crm crr ebb ebc ebe ebi ebl ebm ebr ec- ecb ecc ece eci ecl ecm ecr eeb eec eee eel eem eer eib eic eie eii eil eim eir elb elc ele eli ell elm elr em- emb emc eme emi eml emm emr erb erc ere eri erl erm err ibb ibc ibe ibi ibl ibm ibr icb icc ice ici icl icm icr ie- iec iee iei iel iem ier iib iic iie iii iil iim iir il- ilb ilc ile ili ill ilm ilr im- imb imc ime imi iml imm ir- irb irc ire iri irl irm irr lbb lbc lbe lbi lbl lbm lbr lcb lcc lce lci lcl lcm lcr leb lec lee lei lel lem ler lib lic lie lii lil lim lir llb llc lle lli lll llm llr lmb lmc lme lmi lml lmm lmr lrb lrc lri lrm lrr m-r mbb mbc mbe mbi mbl mbm mbr mc- mcb mcc mce mci mcl mcm mcr meb mec mee mei mel mem mer mi- mib mic mie mii mil mim mir mlb mlc mle mli mll mlm mlr mmb mmc mme mmi mml mmm mmr mrb mrc mre mri mrl mrm mrr rbb rbc rbe rbi rbl rbm rbr rcb rcc rce rci rcl rcm rcr re- reb rec ree rei rel rem rer rib ric rie rii ril rim rir rlc rle rli rll rlm rlr rmb rmc rme rmi rml rmm rmr rrb rrc rri rrl rrm rrr