-ol b-u bbb bbg bbl bbo bbu bgb bgg bgl bgo bgu bgv blb blg bll blo blu blv bob bog bol boo bou bov bub bug bul buo buu bvb bvg bvl bvo bvu bvv gbg gbl gbo gbu gbv ggb ggg ggo ggu ggv glb glg gll glo glu glv gob gog gol goo gou gov gu- gub gug gul guo guu guv gvb gvg gvl gvo gvu lbb lbg lbl lbo lbu lbv lgb lgg lgl lgo lgu lgv llb llg lll llo llu llv lob log lol loo lou lov lub lug lul luo luu luv lvb lvg lvl lvv ob- obb obg obl obo obu obv ogg ogl ogo olb olg oll olo olu oo- oob oog ool ooo oov ou- oul ouo ov- ovb ovl ovo ovv ubb ubg ubl ubo ubu ubv ugb ugg ugl ugo ugu ulb ulg ull ulo ulu ulv uob uog uol uoo uug uuu uvb uvl uvo uvu uvv vbg vbl vbo vbv vgg vgl vgo vgu vl- vlb vll vlo vlv vob vog vol voo vou vov vug vul vuv vvb vvg vvo vvv