a-a a-b aaa aab aaj aam aan aar aau ab- aba abb abj abm abn abr abu aja ajb ajj ajm ajn ajr aju ama amb amm amn amr amu an- ana anb anj anm ann anr anu ar- ara arb arj arm arn arr aru au- aua aub auj aum aun aur b-u baa bab baj bam ban bar bau bba bbb bbm bbn bbr bbu bja bjj bjm bjn bjr bju bma bmb bmj bmm bmn bmr bmu bna bnb bnj bnn bnr bnu bra brb brj brm brn brr bru bua bub buj bum bun bur buu jaa jab jaj jam jan jar jau jba jbj jbm jbr jbu jja jjb jjj jjr jju jma jmb jmj jmm jmn jmr jmu jna jnj jnn jnr jnu jra jrb jrm jrn jrr jub jum jun jur m-r maa mab maj mam man mar mau mba mbb mbj mbm mbr mbu mjb mjj mjm mjr mma mmb mmj mmm mmn mmr mmu mna mnb mnj mnm mnn mnr mnu mra mrb mrj mrm mrn mrr mru mua mub muj mum mun mur muu naa nab naj nam nan nar nau nba nbb nbm nbn nbr nbu nja njm njn nju nma nmb nmm nmn nmr nmu nna nnb nnm nnn nnu nra nrb nrj nrm nrn nrr nru nua nub nuj num nun nur nuu ra- raa rab raj ram ran rar rau rba rbb rbm rbn rbr rbu rja rjm rjr rma rmb rmm rmn rmr rna rnb rnm rnn rnr rnu rra rrb rrm rrn rrr rru rua rub rum run rur ruu ua- uaa uab uaj uam uan uar uau uba ubb ubn ubr ubu um- uma umb umm umn umr umu un- una unb unm unn unr unu ur- ura urb urm urn urr uru uua uum uun uur uuu