a-a a-i aaa aaf aai aam aan aao af- afa aff afi afm afn afo ai- aia aif aii aim ain aio ama amf ami amm amn amo an- ana anf ani anm ann ano aoa aof aoi aom aon aoo faa faf fai fam fan fao ffa fff ffi ffm ffn ffo fia fif fii fim fin fma fmf fmi fmm fmn fmo fna fnf fni fnm fnn foa fof foi fom fon foo i-f ia- iaa iaf iai iam ian iao ifa iff ifi ifm ifn ifo iia iif iii iim iin iio im- ima imf imi imm imn imo in- ina inf ini inm inn ino io- ioa iof ioi iom ion ioo m-f m-o maa maf mai mam man mao mfa mff mfi mfm mfn mfo mi- mia mif mii mim min mio mma mmf mmi mmm mmn mmo mna mnf mni mnm mnn mno moa mof moi mom mon moo n-i naa naf nai nam nan nao nfa nff nfi nfn nfo nia nif nii nim nin nio nma nmi nmm nmn nmo nna nnf nni nnm nnn nno no- noa nof noi nom non noo o-i oaa oaf oai oam oan oao of- ofa off ofi ofm ofn ofo oia oif oii oim oin oio om- oma omf omi omm omn omo on- ona onf oni onn ono oo- ooa oof ooi oom oon ooo