-er bbb bbc bbe bbm bbr bbs bbw bcb bcc bce bcm bcr bcs be- beb bec bee bem ber bes bew bmb bmc bme bmm bmr bms bmw brb bre brm brr brs brw bsb bsc bse bsm bsr bss bsw bwb bwc bwr bws c-- cbb cbc cbe cbm cbr cbs cbw ccb ccc cce ccm ccr ccs ccw ce- ceb cec cee cem cer ces cew cmb cmc cme cmm cmr cms cmw crb crc cre crm crr crs crw csb csc cse csm csr css csw cw- cwb cwc cwe cwm cwr cws ebb ebc ebe ebm ebr ebs ebw ec- ecb ecc ece ecm ecr ecs ecw eeb eec eee eem eer ees eew em- emb emc eme emm emr ems emw erb erc ere erm err ers erw es- esb esc ese esm esr ess esw ewb ewc ewe ewm ewr ews eww m-r m-w mbb mbc mbe mbm mbr mbs mbw mc- mcb mcc mce mcm mcr mcs mcw meb mec mee mem mer mes mew mmb mmc mme mmm mmr mms mmw mrb mrc mre mrm mrr mrs mrw msb msc mse msm msr mss msw mwb mwc mwe mwm mwr mws mww rbb rbc rbe rbm rbr rbs rbw rcb rcc rce rcm rcr rcs rcw re- reb rec ree rem rer res rew rmb rmc rme rmm rmr rms rrb rrc rrm rrr rrs rsb rsc rse rsm rsr rss rsw rwb rwc rwe rwm rwr rws sbb sbc sbe sbm sbr sbs sbw scb scc sce scm scr scs scw se- seb sec see sem ser ses sew smb smc sme smm smr sms smw sr- srb src sre srm srr srs srw ss- ssb ssc sse ssm ssr sss ssw swb swc swe swm swr sws wbb wbc wbe wbr wbs wbw wcb wcc wce wcm wcr wcs wcw web wec wee wem wer wes wew wm- wmb wmc wme wmm wmr wms wr- wrc wre wrm wrr wrs wrw wsb wsc wse wsm wsr wss wsw wwc wwe wwm www