bbb bbd bbi bbm bbo bbr bbs bdb bdd bdi bdm bdo bdr bds bi- bib bid bii bim bio bir bis bmb bmd bmi bmm bmo bmr bms bob bod boi bom boo bor bos brb brd bri brm bro brr brs bsb bsd bsi bsm bso bsr bss dbb dbd dbi dbm dbo dbr dbs ddb ddd ddi ddm ddo ddr dds di- dib did dii dim dio dir dis dmb dmd dmi dmm dmo dmr dms dob dod doi dom doo dor dos drb drd dri drm dro drr drs dsb dsd dsi dsm dso dsr dss i-d ibb ibd ibi ibm ibo ibr ibs idb idd idi idm ido idr ids iib iid iii iim iio iir iis im- imb imd imi imm imo ims io- iob iod ioi iom ioo ior ios ir- irb ird iri irm iro irr irs is- isb isd isi ism iso isr iss m-o m-r mbb mbd mbi mbm mbo mbr mbs mdb mdd mdi mdm mdo mdr mds mi- mib mid mii mim mio mir mis mmb mmd mmi mmm mmo mmr mms mob mod moi mom moo mor mos mrb mrd mri mrm mro mrr mrs msb msd msi msm mso msr mss o-i ob- obb obd obi obm obo obr obs odb odd odi odm odo odr ods oib oid oii oim oio oir ois om- omb omd omi omm omo omr oms oo- oob ood ooi oom ooo oor oos or- orb ord ori orm oro orr ors os- osb osd osi osm oso osr oss rbb rbd rbi rbm rbo rbr rbs rdb rdd rdi rdm rdo rdr rds rib rid rii rim rio rir ris rmb rmd rmi rmm rmo rmr rms rob rod roi rom roo ror ros rrb rrd rri rrm rrr rrs rsb rsd rsi rsm rso rsr rss sbb sbd sbi sbm sbo sbr sbs sdb sdd sdi sdm sdo sdr sds sib sid sii sim sio sir sis smb smd smi smm smo smr sms sob sod soi som soo sor sos sr- srb srd sri srm sro srr srs ss- ssb ssd ssi ssm sso ssr sss