a-a aaa aaf aam aan aao aay af- afa aff afm afn afo afy ama amf amm amn amo amy an- ana anf anm ann ano any aoa aof aom aon aoo ay- aya ayf ayn ayo faa faf fam fan fao fay ffa fff ffm ffn ffo ffy fma fmf fmm fmn fmo fna fnf fnm fnn foa fof fom fon foo foy fy- fya fyn fyo m-f m-o maa maf mam man mao may mfa mff mfm mfn mfo mfy mma mmf mmm mmn mmo mna mnf mnm mnn mno moa mof mom mon moo moy my- mya myf mym myn myo naa naf nam nan nao nay nfa nff nfn nfo nma nmm nmn nmo nna nnf nnm nnn nno no- noa nof nom non noo noy nya nyf nym nyn nyo nyy oaa oaf oam oan oao of- ofa off ofm ofn ofo om- oma omf omm omn omo omy on- ona onf onn ono ony oo- ooa oof oom oon ooo oya oyo yaa yaf yam yan yao yay yfa yff yfm yma ymm ymo yna ynn yny yof yom yon yoo yoy yyf yyy