a-a aaa aaf aam aan aau af- afa aff afm afn afu ama amf amm amn amu an- ana anf anm ann anu au- aua auf aum aun faa faf fam fan fau ffa fff ffm ffn ffu fma fmf fmm fmn fmu fna fnf fnm fnn fnu fua fuf fum fun fuu m-f maa maf mam man mau mfa mff mfm mfn mfu mma mmf mmm mmn mmu mna mnf mnm mnn mnu mua muf mum mun muu naa naf nam nan nau nfa nff nfn nfu nma nmm nmn nmu nna nnf nnm nnn nnu nua num nun nuu ua- uaa uaf uam uan uau ufa uff ufm ufn ufu um- uma umf umm umn umu un- una unf unm unn unu uua uum uun uuu