bbb bbd bbi bbm bbo bbs bdb bdd bdi bdm bdo bds bi- bib bid bii bim bio bis bmb bmd bmi bmm bmo bms bob bod boi bom boo bos bsb bsd bsi bsm bso bss dbb dbd dbi dbm dbo dbs ddb ddd ddi ddm ddo dds di- dib did dii dim dio dis dmb dmd dmi dmm dmo dms dob dod doi dom doo dos dsb dsd dsi dsm dso dss i-d ibb ibd ibi ibm ibo ibs idb idd idi idm ido ids iib iid iii iim iio iis im- imb imd imi imm imo ims io- iob iod ioi iom ioo ios is- isb isd isi ism iso iss m-o mbb mbd mbi mbm mbo mbs mdb mdd mdi mdm mdo mds mi- mib mid mii mim mio mis mmb mmd mmi mmm mmo mms mob mod moi mom moo mos msb msd msi msm mso mss o-i ob- obb obd obi obm obo obs odb odd odi odm odo ods oib oid oii oim oio ois om- omb omd omi omm omo oms oo- oob ood ooi oom ooo oos os- osb osd osi osm oso oss sbb sbd sbi sbm sbo sbs sdb sdd sdi sdm sdo sds sib sid sii sim sio sis smb smd smi smm smo sms sob sod soi som soo sos ss- ssb ssd ssi ssm sso sss