-ol fff ffl ffm ffn ffo ffu flf fll flm fln flo flu fmf fml fmm fmn fmo fmu fnf fnl fnm fnn fnu fof fol fom fon foo fou fuf ful fum fun fuo fuu lff lfl lfm lfn lfo lfu llf lll llm lln llo llu lmf lml lmm lmn lmo lmu lnl lnm lnn lno lnu lof lol lom lon loo lou luf lul lum lun luo luu m-f m-o mff mfl mfm mfn mfo mfu mlf mll mlm mln mlo mlu mmf mml mmm mmn mmo mmu mnf mnl mnm mnn mno mnu mof mol mom mon moo mou muf mul mum mun muu nff nfl nfn nfo nfu nlf nll nlm nln nlo nlu nml nmm nmn nmo nmu nnf nnl nnm nnn nno nnu no- nof nol nom non noo nou nul num nun nuo nuu of- off ofl ofm ofn ofo ofu olf oll olm oln olo olu om- omf oml omm omn omo omu on- onf onl onn ono onu oo- oof ool oom oon ooo ou- ouf oul oum oun ouo uff ufl ufm ufn ufo ufu ulf ull ulm uln ulo ulu um- umf uml umm umn umo umu un- unf unl unm unn uno unu uol uom uon uoo uum uun uuu