bbb bbd bbi bbm bbn bbs bdb bdd bdi bdm bds bi- bib bid bii bim bin bis bmb bmd bmi bmm bmn bms bnb bnd bni bnn bns bsb bsd bsi bsm bsn bss dbb dbd dbi dbm dbn dbs ddb ddd ddi ddm ddn dds di- dib did dii dim din dis dmb dmd dmi dmm dmn dms dnb dnd dni dnm dnn dns dsb dsd dsi dsm dsn dss i-d ibb ibd ibi ibm ibn ibs idb idd idi idm idn ids iib iid iii iim iin iis im- imb imd imi imm imn ims in- inb ind ini inm inn ins is- isb isd isi ism isn iss mbb mbd mbi mbm mbs mdb mdd mdi mdm mdn mds mi- mib mid mii mim min mis mmb mmd mmi mmm mmn mms mnb mni mnm mnn mns msb msd msi msm msn mss n-i nbb nbd nbi nbm nbn nbs ndb ndd ndi ndm ndn nds nib nid nii nim nin nis nmb nmd nmi nmm nmn nms nnb nni nnm nnn nns nsb nsd nsi nsm nsn nss sbb sbd sbi sbm sbn sbs sdb sdd sdi sdm sdn sds sib sid sii sim sin sis smb smd smi smm smn sms snb snd sni snm snn sns ss- ssb ssd ssi ssm ssn sss