a-a a-b aaa aab aak aam aar aau aav ab- aba abb abk abm abr abu abv aka akb akk akm akr aku akv ama amb amk amm amr amu amv ar- ara arb ark arm arr aru arv au- aua aub auk aum aur auv av- ava avb avk avm avr avu b-u baa bab bak bam bar bau bav bba bbb bbk bbm bbr bbu bka bkb bkk bkm bkr bkv bma bmb bmk bmm bmr bmu bmv bra brb brk brm brr bru brv bua bub buk bum bur buu bva bvb bvk bvm bvr bvu bvv ka- kaa kab kak kam kar kau kav kba kbb kbk kbm kbr kbu kkb kkk kkm kkr kku kkv kma kmb kmk kmm kmu kra krk krr kru krv kub kuk kum kur kuu kva kvb kvk kvm kvr kvv m-r m-v maa mab mak mam mar mau mav mba mbb mbk mbm mbr mbu mbv mka mkb mkk mkm mkr mku mkv mma mmb mmk mmm mmr mmu mmv mra mrb mrk mrm mrr mru mrv mua mub muk mum mur muu mva mvb mvm mvr mvv ra- raa rab rak ram rar rau rav rba rbb rbk rbm rbr rbu rkb rkk rkm rku rkv rma rmb rmm rmr rmv rra rrb rrk rrm rrr rru rua rub ruk rum rur ruu ruv rva rvb rvm rvr rvu rvv ua- uaa uab uak uam uar uau uav uba ubb ubk ubr ubu ubv uka ukb ukk ukr uku um- uma umb umm umr umu ur- ura urb urk urm urr uru uua uum uur uuu uva uvb uvm uvu uvv v-a vaa vab vak vam var vau vav vba vbk vbm vbr vbv vka vkb vkm vm- vma vmm vmr vmu vra vrb vrk vrm vrr vru vuk vum vur vuv vva vvb vvm vvr vvv