a-a a-b aaa aab aah aaj aao aau ab- aba abb abh abj abo abu aha ahb ahh ahj aho ahu aja ajb ajh ajj ajo aju aoa aob aoh aoj aoo aou au- aua aub auh auj auo b-u baa bab bah baj bao bau bba bbb bbh bbo bbu bha bhb bhh bhj bho bhu bja bjj bju boa bob boh boj boo bou bua bub buh buj buo buu haa hab hah haj hao hau hba hbb hbh hbj hbo hbu hha hhb hhh hhj hho hhu hja hjo hoa hob hoh hoo hou hua hub huh huj huo huu jaa jab jah jaj jao jau jba jbj jbo jbu jha jhj jho jhu jja jjb jjj jju joa job joh joj joo jou jub juh juo oaa oab oah oaj oao oau ob- oba obb obh obj obo obu oha ohh oho ohu oja ojb ojo oju oo- ooa oob ooh ooo ou- oua ouh ouo ua- uaa uab uah uaj uao uau uba ubb ubh ubo ubu uha uhb uhh uhj uho uhu ujo uoa uob uoj uoo uua uuu