-ol bbb bbc bbd bbg bbl bbo bcb bcc bcd bcg bcl bco bdb bdc bdd bdg bdl bdo bgb bgc bgd bgg bgl bgo blb blc bld blg bll blo bob boc bod bog bol boo c-- cbb cbc cbd cbg cbl cbo ccb ccc ccd ccg ccl cco cdb cdc cdd cdg cdl cdo cgb cgc cgd cgg cgl cgo cl- clb clc cld clg cll clo co- cob coc cod cog col coo dbb dbc dbd dbg dbl dbo dcb dcc dcd dcg dcl dco ddb ddc ddd ddg ddl ddo dgc dgd dgg dgl dl- dlb dlc dld dlg dll dlo dob doc dod dog dol doo g-d gbc gbd gbg gbl gbo gcb gcc gcd gcg gcl gco gdb gdc gdd gdl gdo ggb ggc ggd ggg ggo glb glc gld glg gll glo gob goc god gog gol goo lbb lbc lbd lbg lbl lbo lcb lcc lcd lcg lcl lco ldb ldc ldd ldg ldl ldo lgb lgc lgd lgg lgl lgo llb llc lld llg lll llo lob loc lod log lol loo ob- obb obc obd obg obl obo oc- ocb occ ocd ocg ocl oco odb odc odd odg odl odo ogc ogd ogg ogl ogo olb olc old olg oll olo oo- oob ooc ood oog ool ooo