-up fff ffk ffm ffp ffu fkf fkk fkm fkp fmf fmm fmp fmu fpk fpm fpp fpu fuf fuk fum fup fuu kff kfm kfu kkk kkm kkp kku kmf kmk kmm kmp kmu kpf kpk kpm kpp kpu kuk kum kup kuu m-f mff mfm mfp mfu mkk mkm mkp mku mmf mmk mmm mmp mmu mpf mpk mpm mpp mpu muf muk mum mup muu p-p pff pfk pfm pfp pfu pkf pkm pkp pku pmf pmk pmm pmp pmu ppf ppk ppm ppp ppu puf puk pum pup puu uff ufm ufp ufu ukf ukk ukp uku um- umf umm ump umu up- upf upk upm upp upu uum uuu