-ol bbb bbd bbi bbl bbm bbo bbs bbx bdb bdd bdi bdl bdm bdo bds bdx bi- bib bid bii bil bim bio bis bix blb bld bli bll blm blo bls blx bmb bmd bmi bml bmm bmo bms bmx bob bod boi bol bom boo bos box bsb bsd bsi bsl bsm bso bss bsx bxb bxd bxi bxl bxm bxo bxx dbb dbd dbi dbl dbm dbo dbs dbx ddb ddd ddi ddl ddm ddo dds ddx di- dib did dii dil dim dio dis dix dl- dlb dld dli dll dlm dlo dls dlx dmb dmd dmi dml dmm dmo dms dmx dob dod doi dol dom doo dos dox dsb dsd dsi dsl dsm dso dss dsx dxd dxi dxl dxo dxs dxx i-d ibb ibd ibi ibl ibm ibo ibs ibx idb idd idi idl idm ido ids idx iib iid iii iil iim iio iis iix il- ilb ild ili ill ilm ilo ils ilx im- imb imd imi iml imm imo ims imx io- iob iod ioi iol iom ioo ios is- isb isd isi isl ism iso iss ixi ixl lbb lbd lbi lbl lbm lbo lbs lbx ldb ldd ldi ldl ldm ldo lds lib lid lii lil lim lio lis lix llb lld lli lll llm llo lls lmb lmd lmi lml lmm lmo lms lob lod loi lol lom loo los lox lsb lsd lsi lsl lsm lso lss lxd lxi lxo lxx m-o mbb mbd mbi mbl mbm mbo mbs mbx mdb mdd mdi mdl mdm mdo mds mdx mi- mib mid mii mil mim mio mis mix mlb mld mli mll mlm mlo mls mlx mmb mmd mmi mml mmm mmo mms mmx mob mod moi mol mom moo mos mox msb msd msi msl msm mso mss msx mxd mxi mxl mxs o-i ob- obb obd obi obl obm obo obs obx odb odd odi odl odm odo ods oib oid oii oil oim oio ois olb old oli oll olm olo ols om- omb omd omi oml omm omo oms omx oo- oob ood ooi ool oom ooo oos oox os- osb osd osi osl osm oso oss osx ox- oxb oxi oxo oxx sbb sbd sbi sbl sbm sbo sbs sbx sdb sdd sdi sdl sdm sdo sds sib sid sii sil sim sio sis six slb sld sli sll slm slo sls slx smb smd smi sml smm smo sms smx sob sod soi sol som soo sos sox ss- ssb ssd ssi ssl ssm sso sss ssx sxi sxl sxm sxs xbl xbx xdb xdi xdm xds xii xio xis xix xlb xld xli xlm xls xmd xmi xml xmm xmo xms xmx xod xoi xom xoo xos xox xsb xsi xsl xsm xss xxi xxl xxo xxx