a-a a-c aaa aac aaf aam aap ac- aca acc acf acm acp af- afa afc aff afm afp ama amc amf amm amp ap- apa apc apf apm app c-- caa cac caf cam cap cca ccc ccf ccm ccp cfa cfc cff cfm cfp cma cmc cmf cmm cmp cpa cpc cpf cpm cpp faa fac faf fam fap fca fcc fcf fcm fcp ffa ffc fff ffm ffp fma fmc fmf fmm fmp fpa fpc fpm fpp m-f maa mac maf mam map mc- mca mcc mcf mcm mcp mfa mfc mff mfm mfp mma mmc mmf mmm mmp mpa mpc mpf mpm mpp p-p paa pac paf pam pap pca pcc pcf pcm pcp pfa pfc pff pfm pfp pma pmc pmf pmm pmp ppa ppc ppf ppm ppp