a-a a-b aaa aab aam aar aau aay ab- aba abb abm abr abu aby ama amb amm amr amu amy ar- ara arb arm arr aru ary au- aua aub aum aur ay- aya ayr ayu b-u baa bab bam bar bau bay bba bbb bbm bbr bbu bby bma bmb bmm bmr bmu bra brb brm brr bru bry bua bub bum bur buu buy by- bya bym byr byu m-r maa mab mam mar mau may mba mbb mbm mbr mbu mma mmb mmm mmr mmu mra mrb mrm mrr mru mry mua mub mum mur muu muy my- mya myb mym myr myu ra- raa rab ram rar rau ray rba rbb rbm rbr rbu rma rmb rmm rmr rra rrb rrm rrr rru rua rub rum rur ruu ruy ry- rya rym ryr ryu ryy ua- uaa uab uam uar uau uay uba ubb ubr ubu uby um- uma umb umm umr umu ur- ura urb urm urr uru ury uua uum uur uuu uyu yaa yab yam yar yau yay ybm ybr yby yma ymm yra yru yua yum yur yuu yuy yyb yyu yyy