-ol ddd ddf ddl ddm ddn ddo dfd dff dfl dfm dfn dfo dl- dld dlf dll dlm dlo dmd dmf dml dmm dmn dmo dnd dnf dnl dnm dnn dno dod dof dol dom don doo fdd fdf fdl fdm fdn fdo ffd fff ffl ffm ffn ffo fld flf fll flm fln flo fmd fmf fml fmm fmn fmo fnd fnf fnl fnm fnn fof fol fom fon foo ldd ldf ldl ldm ldn ldo lfd lff lfl lfm lfn lfo lld llf lll llm lln llo lmd lmf lml lmm lmn lmo lnd lnl lnm lnn lno lod lof lol lom lon loo m-f m-o mdd mdf mdl mdm mdn mdo mfd mff mfl mfm mfn mfo mld mlf mll mlm mln mlo mmd mmf mml mmm mmn mmo mnf mnl mnm mnn mno mod mof mol mom mon moo ndd ndf ndl ndm ndn ndo nfd nff nfl nfn nfo nld nlf nll nlm nln nlo nmd nml nmm nmn nmo nnf nnl nnm nnn nno no- nod nof nol nom non noo odd odf odl odm odn odo of- ofd off ofl ofm ofn ofo old olf oll olm oln olo om- omd omf oml omm omn omo on- ond onf onl onn ono oo- ood oof ool oom oon ooo