-er -ic bbb bbc bbe bbh bbi bbl bbm bbr bcb bcc bce bch bci bcl bcm bcr be- beb bec bee beh bei bel bem ber bhb bhc bhe bhh bhi bhl bhm bhr bi- bib bic bie bih bii bil bim bir blb blc ble blh bli bll blm blr bmb bmc bme bmh bmi bml bmm bmr brb bre brh bri brl brm brr c-- cbb cbc cbe cbh cbi cbl cbm cbr ccb ccc cce cch cci ccl ccm ccr ce- ceb cec cee ceh cei cel cem cer ch- chb chc che chh chi chl chm chr ci- cib cic cie cih cii cil cim cir cl- clb clc cle clh cli cll clm clr cmb cmc cme cmh cmi cml cmm cmr crb crc cre crh cri crl crm crr ebb ebc ebe ebh ebi ebl ebm ebr ec- ecb ecc ece ech eci ecl ecm ecr eeb eec eee eel eem eer ehb ehc ehe ehh ehi ehl ehm ehr eib eic eie eii eil eim eir elb elc ele elh eli ell elm elr em- emb emc eme emh emi eml emm emr erb erc ere erh eri erl erm err h-i hbb hbc hbe hbh hbi hbl hbm hbr hcb hcc hce hch hci hcl hcm hcr he- heb hec hee heh hei hel hem her hhb hhc hhe hhh hhi hhl hhm hhr hib hic hie hih hii hil him hir hlb hlc hle hlh hli hll hlm hlr hmb hmc hme hmh hmi hml hmm hmr hr- hrb hrc hre hrh hri hrl hrm hrr ibb ibc ibe ibh ibi ibl ibm ibr icb icc ice ich ici icl icm icr ie- iec iee iei iel iem ier ihb ihc ihe ihh ihi ihl ihm ihr iib iic iie iih iii iil iim iir il- ilb ilc ile ilh ili ill ilm ilr im- imb imc ime imh imi iml imm ir- irb irc ire iri irl irm irr lbb lbc lbe lbh lbi lbl lbm lbr lcb lcc lce lch lci lcl lcm lcr leb lec lee leh lei lel lem ler lhb lhc lhh lhi lhr lib lic lie lih lii lil lim lir llb llc lle lli lll llm llr lmb lmc lme lmh lmi lml lmm lmr lrb lrc lrh lri lrm lrr m-r mbb mbc mbe mbh mbi mbl mbm mbr mc- mcb mcc mce mch mci mcl mcm mcr meb mec mee meh mei mel mem mer mhc mhh mhi mhl mhm mhr mi- mib mic mie mih mii mil mim mir mlb mlc mle mlh mli mll mlm mlr mmb mmc mme mmh mmi mml mmm mmr mrb mrc mre mrh mri mrl mrm mrr rbb rbc rbe rbh rbi rbl rbm rbr rcb rcc rce rch rci rcl rcm rcr re- reb rec ree reh rei rel rem rer rh- rhb rhc rhe rhh rhi rhl rhm rhr rib ric rie rih rii ril rim rir rlc rle rlh rli rll rlm rlr rmb rmc rme rmh rmi rml rmm rmr rrb rrc rrh rri rrl rrm rrr