-ol b-u bbb bbg bbi bbl bbo bbu bgb bgg bgi bgl bgo bgu bi- bib big bii bil bio biu blb blg bli bll blo blu bob bog boi bol boo bou bub bug bui bul buo buu gbg gbi gbl gbo gbu ggb ggg ggi ggo ggu gib gig gii gil gio giu glb glg gli gll glo glu gob gog goi gol goo gou gu- gub gug gui gul guo guu ibb ibg ibi ibl ibo ibu igb igg igi igl igo igu iib iii iil iio iiu il- ilb ilg ili ill ilo ilu io- iob iog ioi iol ioo iou iu- iub iug iui lbb lbg lbi lbl lbo lbu lgb lgg lgi lgl lgo lgu lib lig lii lil lio liu llb llg lli lll llo llu lob log loi lol loo lou lub lug lui lul luo luu o-i ob- obb obg obi obl obo obu ogg ogi ogl ogo oib oii oil oio oiu olb olg oli oll olo olu oo- oob oog ooi ool ooo ou- oui oul ouo ubb ubg ubi ubl ubo ubu ugb ugg ugi ugl ugo ugu uib uig uii uil uio uiu ulb ulg uli ull ulo ulu uob uog uol uoo uug uuu