-ic -ol bbb bbc bbg bbi bbl bbo bcb bcc bcg bci bcl bco bgb bgc bgg bgi bgl bgo bi- bib bic big bii bil bio blb blc blg bli bll blo bob boc bog boi bol boo c-- cbb cbc cbg cbi cbl cbo ccb ccc ccg cci ccl cco cgb cgc cgg cgi cgl cgo ci- cib cic cig cii cil cio cl- clb clc clg cli cll clo co- cob coc cog coi col coo gbc gbg gbi gbl gbo gcb gcc gcg gci gcl gco ggb ggc ggg ggi ggo gib gic gig gii gil gio glb glc glg gli gll glo gob goc gog goi gol goo ibb ibc ibg ibi ibl ibo icb icc icg ici icl ico igb igc igg igi igl igo iib iic iii iil iio il- ilb ilc ilg ili ill ilo io- iob ioc iog ioi iol ioo lbb lbc lbg lbi lbl lbo lcb lcc lcg lci lcl lco lgb lgc lgg lgi lgl lgo lib lic lig lii lil lio llb llc llg lli lll llo lob loc log loi lol loo o-i ob- obb obc obg obi obl obo oc- ocb occ ocg oci ocl oco ogc ogg ogi ogl ogo oib oic oii oil oio olb olc olg oli oll olo oo- oob ooc oog ooi ool ooo