bbb bbd bbi bbm bbr bbs bdb bdd bdi bdm bdr bds bi- bib bid bii bim bir bis bmb bmd bmi bmm bmr bms brb brd bri brm brr brs bsb bsd bsi bsm bsr bss dbb dbd dbi dbm dbr dbs ddb ddd ddi ddm ddr dds di- dib did dii dim dir dis dmb dmd dmi dmm dmr dms drb drd dri drm drr drs dsb dsd dsi dsm dsr dss i-d ibb ibd ibi ibm ibr ibs idb idd idi idm idr ids iib iid iii iim iir iis im- imb imd imi imm ims ir- irb ird iri irm irr irs is- isb isd isi ism isr iss m-r mbb mbd mbi mbm mbr mbs mdb mdd mdi mdm mdr mds mi- mib mid mii mim mir mis mmb mmd mmi mmm mmr mms mrb mrd mri mrm mrr mrs msb msd msi msm msr mss rbb rbd rbi rbm rbr rbs rdb rdd rdi rdm rdr rds rib rid rii rim rir ris rmb rmd rmi rmm rmr rms rrb rrd rri rrm rrr rrs rsb rsd rsi rsm rsr rss sbb sbd sbi sbm sbr sbs sdb sdd sdi sdm sdr sds sib sid sii sim sir sis smb smd smi smm smr sms sr- srb srd sri srm srr srs ss- ssb ssd ssi ssm ssr sss