a-a a-i aaa aaf aai aam aan af- afa aff afi afm afn ai- aia aif aii aim ain ama amf ami amm amn an- ana anf ani anm ann faa faf fai fam fan ffa fff ffi ffm ffn fia fif fii fim fin fma fmf fmi fmm fmn fna fnf fni fnm fnn i-f ia- iaa iaf iai iam ian ifa iff ifi ifm ifn iia iif iii iim iin im- ima imf imi imm imn in- ina inf ini inm inn m-f maa maf mai mam man mfa mff mfi mfm mfn mi- mia mif mii mim min mma mmf mmi mmm mmn mna mnf mni mnm mnn n-i naa naf nai nam nan nfa nff nfi nfn nia nif nii nim nin nma nmi nmm nmn nna nnf nni nnm nnn