-ol b-p bbb bbc bbg bbl bbo bbp bcb bcc bcg bcl bco bcp bgb bgc bgg bgl bgo bgp blb blc blg bll blo blp bob boc bog bol boo bop bpb bpc bpg bpl bpo bpp c-- cbb cbc cbg cbl cbo cbp ccb ccc ccg ccl cco ccp cgb cgc cgg cgl cgo cgp cl- clb clc clg cll clo clp co- cob coc cog col coo cop cpb cpc cpg cpl cpo cpp g-p gbc gbg gbl gbo gbp gcb gcc gcg gcl gco gcp ggb ggc ggg ggo ggp glb glc glg gll glo glp gob goc gog gol goo gop gpb gpc gpg gpl gpo gpp l-p lbb lbc lbg lbl lbo lbp lcb lcc lcg lcl lco lcp lgb lgc lgg lgl lgo lgp llb llc llg lll llo llp lob loc log lol loo lop lpb lpc lpg lpl lpo lpp ob- obb obc obg obl obo obp oc- ocb occ ocg ocl oco ocp ogc ogg ogl ogo ogp olb olc olg oll olo olp oo- oob ooc oog ool ooo oop op- opb opc opg opl opo opp p-p pbb pbc pbg pbl pbo pbp pcb pcc pcg pcl pco pcp pgb pgc pgg pgl pgo pgp plb plc plg pll plo plp pob poc pog pol poo pop ppb ppc ppg ppl ppo ppp