-ol bbb bbg bbl bbn bbo bbs bgb bgg bgl bgn bgo bgs blb blg bll bln blo bls bnb bng bnl bnn bno bns bob bog bol bon boo bos bsb bsg bsl bsn bso bss gbg gbl gbn gbo gbs ggb ggg ggn ggo ggs glb glg gll gln glo gls gnb gnl gnn gno gns gob gog gol gon goo gos gsb gsg gsl gsn gso gss lbb lbg lbl lbo lbs lgb lgg lgl lgn lgo lgs llb llg lll lln llo lls lnb lng lnl lnn lno lns lob log lol lon loo los lsb lsg lsl lsn lso lss nbb nbg nbl nbn nbo nbs ngb ngg ngl ngn ngo ngs nlb nlg nll nln nlo nls nnb nng nnl nnn nno nns no- nob nog nol non noo nos nsb nsg nsl nsn nso nss ob- obb obg obl obn obo obs ogg ogl ogn ogo ogs olb olg oll oln olo ols on- onb ong onl onn ono ons oo- oob oog ool oon ooo oos os- osb osg osl osn oso oss sbb sbg sbl sbn sbo sbs sgb sgg sgl sgn sgo sgs slb slg sll sln slo sls snb sng snl snn sno sns sob sog sol son soo sos ss- ssb ssg ssl ssn sso sss