a-a a-b a-t aaa aab aam aat aau aav ab- aba abb abm abt abu abv ama amb amm amt amu amv at- ata atb atm att atu atv au- aua aub aum aut auv av- ava avb avm avt avu b-u baa bab bam bat bau bav bba bbb bbm bbt bbu bma bmb bmm bmt bmu bmv bta btb btm btt btu btv bua bub bum but buu bva bvb bvm bvt bvu bvv m-v maa mab mam mat mau mav mba mbb mbm mbt mbu mbv mma mmb mmm mmt mmu mmv mta mtb mtm mtt mtu mtv mua mub mum mut muu mva mvb mvm mvt mvv taa tab tam tat tau tav tba tbb tbm tbt tbu tbv tma tmb tmm tmt tmu tmv tta ttb ttm ttt ttu ttv tua tub tum tut tuu tuv tva tvb tvm tvt tvu ua- uaa uab uam uat uau uav uba ubb ubt ubu ubv um- uma umb umm umt umu uta utb utm utt utu utv uua uum uut uuu uva uvb uvm uvu uvv v-a vaa vab vam vat vau vav vba vbm vbv vm- vma vmm vmt vmu vta vtb vtm vtt vtu vtv vum vut vuv vva vvb vvm vvt vvv