-ol fff ffg ffl ffm ffn ffo ffs fgf fgg fgl fgm fgn fgs flf flg fll flm fln flo fls fmf fmg fml fmm fmn fmo fms fnf fng fnl fnm fnn fns fof fog fol fom fon foo fos fsf fsg fsl fsm fsn fso fss gff gfl gfm gfo gfs ggg ggm ggn ggo ggs glf glg gll glm gln glo gls gmf gmg gml gmm gmn gmo gms gnf gnl gnm gnn gno gns gof gog gol gom gon goo gos gsf gsg gsl gsm gsn gso gss lff lfg lfl lfm lfn lfo lfs lgf lgg lgl lgm lgn lgo lgs llf llg lll llm lln llo lls lmf lmg lml lmm lmn lmo lms lng lnl lnm lnn lno lns lof log lol lom lon loo los lsf lsg lsl lsm lsn lso lss m-f m-o mff mfg mfl mfm mfn mfo mfs mgf mgl mgm mgn mgo mgs mlf mlg mll mlm mln mlo mls mmf mmg mml mmm mmn mmo mms mnf mng mnl mnm mnn mno mns mof mog mol mom mon moo mos msf msg msl msm msn mso mss nff nfl nfn nfo nfs ngf ngg ngl ngm ngn ngo ngs nlf nlg nll nlm nln nlo nls nmg nml nmm nmn nmo nms nnf nng nnl nnm nnn nno nns no- nof nog nol nom non noo nos nsf nsg nsl nsm nsn nso nss of- off ofg ofl ofm ofn ofo ofs ogf ogg ogl ogn ogo ogs olf olg oll olm oln olo ols om- omf omg oml omm omn omo oms on- onf ong onl onn ono ons oo- oof oog ool oom oon ooo oos os- osf osg osl osm osn oso oss sff sfg sfl sfm sfn sfo sfs sgf sgg sgl sgm sgn sgo sgs slf slg sll slm sln slo sls smf smg sml smm smn smo sms snf sng snl snm snn sno sns sof sog sol som son soo sos ss- ssf ssg ssl ssm ssn sso sss