a-a a-c aaa aac aaf aam aan aay ac- aca acc acf acm acn acy af- afa afc aff afm afn afy ama amc amf amm amn amy an- ana anc anf anm ann any ay- aya ayc ayf ayn c-- caa cac caf cam can cay cca ccc ccf ccm ccn cfa cfc cff cfm cfn cma cmc cmf cmm cmn cmy cn- cna cnc cnf cnm cnn cny cya cyc cyf cym cyn faa fac faf fam fan fay fca fcc fcf fcm fcn fcy ffa ffc fff ffm ffn ffy fma fmc fmf fmm fmn fna fnc fnf fnm fnn fy- fya fyc fyn m-f maa mac maf mam man may mc- mca mcc mcf mcm mcn mfa mfc mff mfm mfn mfy mma mmc mmf mmm mmn mna mnc mnf mnm mnn my- mya myc myf mym myn naa nac naf nam nan nay nca ncc ncf ncm ncn nfa nfc nff nfn nma nmc nmm nmn nna nnc nnf nnm nnn nya nyc nyf nym nyn nyy yaa yac yaf yam yan yay yca ycc ycf ycy yfa yfc yff yfm yma ymc ymm yna ynn yny yyc yyf yyy