-er -ic bbb bbc bbe bbi bbm bbr bbs bcb bcc bce bci bcm bcr bcs bcv be- beb bec bee bei bem ber bes bev bi- bib bic bie bii bim bir bis biv bmb bmc bme bmi bmm bmr bms bmv brb bre bri brm brr brs brv bsb bsc bse bsi bsm bsr bss bsv bvb bvc bve bvi bvm bvr bvs bvv c-- cbb cbc cbe cbi cbm cbr cbs cbv ccb ccc cce cci ccm ccr ccs ccv ce- ceb cec cee cei cem cer ces cev ci- cib cic cie cii cim cir cis civ cmb cmc cme cmi cmm cmr cms cmv crb crc cre cri crm crr crs crv csb csc cse csi csm csr css csv cvb cvc cve cvi cvm cvr cvs cvv ebb ebc ebe ebi ebm ebr ebs ebv ec- ecb ecc ece eci ecm ecr ecs ecv eeb eec eee eem eer ees eev eib eic eie eii eim eir eis eiv em- emb emc eme emi emm emr ems emv erb erc ere eri erm err ers erv es- esb esc ese esi esm esr ess esv evb evc eve evi evm evr evs evv i-v ibb ibc ibe ibi ibm ibr ibs ibv icb icc ice ici icm icr ics icv ie- iec iee iei iem ier ies iev iib iic iie iii iim iir iis im- imb imc ime imi imm ims imv ir- irb irc ire iri irm irr irs irv is- isb isc ise isi ism isr iss isv ivb ivc ive ivi ivr ivs ivv m-r m-v mbb mbc mbe mbi mbm mbr mbs mbv mc- mcb mcc mce mci mcm mcr mcs mcv meb mec mee mei mem mer mes mev mi- mib mic mie mii mim mir mis miv mmb mmc mme mmi mmm mmr mms mmv mrb mrc mre mri mrm mrr mrs mrv msb msc mse msi msm msr mss msv mvb mvc mve mvi mvm mvr mvs mvv rbb rbc rbe rbi rbm rbr rbs rcb rcc rce rci rcm rcr rcs rcv re- reb rec ree rei rem rer res rev rib ric rie rii rim rir ris riv rmb rmc rme rmi rmm rmr rms rmv rrb rrc rri rrm rrr rrs rsb rsc rse rsi rsm rsr rss rsv rvb rvc rve rvi rvm rvr rvs rvv sbb sbc sbe sbi sbm sbr sbs sbv scb scc sce sci scm scr scs scv se- seb sec see sei sem ser ses sev sib sic sie sii sim sir sis siv smb smc sme smi smm smr sms smv sr- srb src sre sri srm srr srs srv ss- ssb ssc sse ssi ssm ssr sss ssv svb svc sve svi svm svr svs svv v-e vbc vbi vbm vbr vbs vbv vcc vce vci vcm vcr vcs veb vec vee vei vem ver ves vi- vib vic vie vii vim vir vis viv vm- vmc vmi vmm vmr vrb vrc vre vri vrm vrr vrs vsb vsc vse vsi vsm vsr vss vsv vvb vvc vvi vvm vvr vvs vvv