-up b-p b-u bbb bbm bbn bbp bbu bmb bmm bmn bmp bmu bnb bnn bnp bnu bpb bpm bpn bpp bpu bub bum bun bup buu mbb mbm mbp mbu mmb mmm mmn mmp mmu mnb mnm mnn mnp mnu mpb mpm mpn mpp mpu mub mum mun mup muu nbb nbm nbn nbp nbu nmb nmm nmn nmp nmu nnb nnm nnn nnp nnu npb npm npn npp npu nub num nun nup nuu p-p pbb pbm pbn pbp pbu pmb pmm pmn pmp pmu pn- pnb pnm pnn pnp pnu ppb ppm ppn ppp ppu pub pum pun pup puu ubb ubn ubp ubu um- umb umm umn ump umu un- unb unm unn unp unu up- upb upm upn upp upu uum uun uuu