a-a a-b aaa aab aah aam aan aar aau ab- aba abb abh abm abn abr abu aha ahb ahh ahm ahn ahr ahu ama amb amh amm amn amr amu an- ana anb anh anm ann anr anu ar- ara arb arh arm arn arr aru au- aua aub auh aum aun aur b-u baa bab bah bam ban bar bau bba bbb bbh bbm bbn bbr bbu bha bhb bhh bhm bhr bhu bma bmb bmh bmm bmn bmr bmu bna bnb bnn bnr bnu bra brb brh brm brn brr bru bua bub buh bum bun bur buu haa hab hah ham han har hau hba hbb hbh hbm hbn hbr hbu hha hhb hhh hhm hhn hhr hhu hma hmb hmh hmm hmr hmu hna hnb hnh hnn hnu hr- hra hrb hrh hrm hrn hrr hru hua hub huh hum hun hur huu m-r maa mab mah mam man mar mau mba mbb mbh mbm mbr mbu mha mhh mhm mhn mhr mhu mma mmb mmh mmm mmn mmr mmu mna mnb mnm mnn mnr mnu mra mrb mrh mrm mrn mrr mru mua mub muh mum mun mur muu naa nab nah nam nan nar nau nba nbb nbm nbn nbr nbu nha nhb nhh nhm nhn nhr nhu nma nmb nmh nmm nmn nmr nmu nna nnb nnh nnm nnn nnu nra nrb nrm nrn nrr nru nua nub nuh num nun nur nuu ra- raa rab rah ram ran rar rau rba rbb rbh rbm rbn rbr rbu rh- rha rhb rhh rhm rhn rhr rhu rma rmb rmh rmm rmn rmr rna rnb rnh rnm rnn rnr rnu rra rrb rrh rrm rrn rrr rru rua rub ruh rum run rur ruu ua- uaa uab uah uam uan uar uau uba ubb ubh ubn ubr ubu uha uhb uhh uhm uhr uhu um- uma umb umh umm umn umr umu un- una unb unh unm unn unr unu ur- ura urb urm urn urr uru uua uum uun uur uuu