-er -ic bbb bbc bbe bbh bbi bbm bbr bbs bcb bcc bce bch bci bcm bcr bcs be- beb bec bee beh bei bem ber bes bhb bhc bhe bhh bhi bhm bhr bhs bi- bib bic bie bih bii bim bir bis bmb bmc bme bmh bmi bmm bmr bms brb bre brh bri brm brr brs bsb bsc bse bsh bsi bsm bsr bss c-- cbb cbc cbe cbh cbi cbm cbr cbs ccb ccc cce cch cci ccm ccr ccs ce- ceb cec cee ceh cei cem cer ces ch- chb chc che chh chi chm chr chs ci- cib cic cie cih cii cim cir cis cmb cmc cme cmh cmi cmm cmr cms crb crc cre crh cri crm crr crs csb csc cse csh csi csm csr css ebb ebc ebe ebh ebi ebm ebr ebs ec- ecb ecc ece ech eci ecm ecr ecs eeb eec eee eem eer ees ehb ehc ehe ehh ehi ehm ehr ehs eib eic eie eii eim eir eis em- emb emc eme emh emi emm emr ems erb erc ere erh eri erm err ers es- esb esc ese esh esi esm esr ess h-i hbb hbc hbe hbh hbi hbm hbr hbs hcb hcc hce hch hci hcm hcr hcs he- heb hec hee heh hei hem her hes hhb hhc hhe hhh hhi hhm hhr hhs hib hic hie hih hii him hir his hmb hmc hme hmh hmi hmm hmr hms hr- hrb hrc hre hrh hri hrm hrr hrs hsb hsc hse hsh hsi hsm hsr hss ibb ibc ibe ibh ibi ibm ibr ibs icb icc ice ich ici icm icr ics ie- iec iee iei iem ier ies ihb ihc ihe ihh ihi ihm ihr ihs iib iic iie iih iii iim iir iis im- imb imc ime imh imi imm ims ir- irb irc ire iri irm irr irs is- isb isc ise ish isi ism isr iss m-r mbb mbc mbe mbh mbi mbm mbr mbs mc- mcb mcc mce mch mci mcm mcr mcs meb mec mee meh mei mem mer mes mhc mhh mhi mhm mhr mhs mi- mib mic mie mih mii mim mir mis mmb mmc mme mmh mmi mmm mmr mms mrb mrc mre mrh mri mrm mrr mrs msb msc mse msh msi msm msr mss rbb rbc rbe rbh rbi rbm rbr rbs rcb rcc rce rch rci rcm rcr rcs re- reb rec ree reh rei rem rer res rh- rhb rhc rhe rhh rhi rhm rhr rhs rib ric rie rih rii rim rir ris rmb rmc rme rmh rmi rmm rmr rms rrb rrc rrh rri rrm rrr rrs rsb rsc rse rsh rsi rsm rsr rss sbb sbc sbe sbh sbi sbm sbr sbs scb scc sce sch sci scm scr scs se- seb sec see seh sei sem ser ses sh- shb shc she shh shi shm shr shs sib sic sie sih sii sim sir sis smb smc sme smh smi smm smr sms sr- srb src sre srh sri srm srr srs ss- ssb ssc sse ssh ssi ssm ssr sss