-ic bbb bbc bbd bbi bbm bbs bcb bcc bcd bci bcm bcs bdb bdc bdd bdi bdm bds bi- bib bic bid bii bim bis bmb bmc bmd bmi bmm bms bsb bsc bsd bsi bsm bss c-- cbb cbc cbd cbi cbm cbs ccb ccc ccd cci ccm ccs cdb cdc cdd cdi cdm cds ci- cib cic cid cii cim cis cmb cmc cmd cmi cmm cms csb csc csd csi csm css dbb dbc dbd dbi dbm dbs dcb dcc dcd dci dcm dcs ddb ddc ddd ddi ddm dds di- dib dic did dii dim dis dmb dmc dmd dmi dmm dms dsb dsc dsd dsi dsm dss i-d ibb ibc ibd ibi ibm ibs icb icc icd ici icm ics idb idc idd idi idm ids iib iic iid iii iim iis im- imb imc imd imi imm ims is- isb isc isd isi ism iss mbb mbc mbd mbi mbm mbs mc- mcb mcc mcd mci mcm mcs mdb mdc mdd mdi mdm mds mi- mib mic mid mii mim mis mmb mmc mmd mmi mmm mms msb msc msd msi msm mss sbb sbc sbd sbi sbm sbs scb scc scd sci scm scs sdb sdc sdd sdi sdm sds sib sic sid sii sim sis smb smc smd smi smm sms ss- ssb ssc ssd ssi ssm sss