-up a-a a-b aaa aab aam aap aau ab- aba abb abm abp abu ama amb amm amp amu ap- apa apb apm app apu au- aua aub aum aup b-p b-u baa bab bam bap bau bba bbb bbm bbp bbu bma bmb bmm bmp bmu bpa bpb bpm bpp bpu bua bub bum bup buu maa mab mam map mau mba mbb mbm mbp mbu mma mmb mmm mmp mmu mpa mpb mpm mpp mpu mua mub mum mup muu p-p paa pab pam pap pau pba pbb pbm pbp pbu pma pmb pmm pmp pmu ppa ppb ppm ppp ppu pua pub pum pup puu ua- uaa uab uam uap uau uba ubb ubp ubu um- uma umb umm ump umu up- upa upb upm upp upu uua uum uuu