-al a-a a-b aaa aab aal aam aan aar aau ab- aba abb abl abm abn abr abu al- ala alb all alm aln alr alu ama amb aml amm amn amr amu an- ana anb anl anm ann anr anu ar- ara arb arl arm arn arr aru au- aua aub aul aum aun aur b-u baa bab bal bam ban bar bau bba bbb bbl bbm bbn bbr bbu bla blb bll blm bln blr blu bma bmb bml bmm bmn bmr bmu bna bnb bnl bnn bnr bnu bra brb brl brm brn brr bru bua bub bul bum bun bur buu la- laa lab lal lam lan lar lau lba lbb lbl lbm lbr lbu lla llb lll llm lln llr llu lma lmb lml lmm lmn lmr lmu lna lnb lnl lnm lnn lnr lnu lra lrb lrm lrn lrr lru lua lub lul lum lun lur luu m-r maa mab mal mam man mar mau mba mbb mbl mbm mbr mbu mla mlb mll mlm mln mlr mlu mma mmb mml mmm mmn mmr mmu mna mnb mnl mnm mnn mnr mnu mra mrb mrl mrm mrn mrr mru mua mub mul mum mun mur muu naa nab nal nam nan nar nau nba nbb nbl nbm nbn nbr nbu nla nlb nll nlm nln nlr nlu nma nmb nml nmm nmn nmr nmu nna nnb nnl nnm nnn nnu nra nrb nrl nrm nrn nrr nru nua nub nul num nun nur nuu ra- raa rab ral ram ran rar rau rba rbb rbl rbm rbn rbr rbu rla rll rlm rln rlr rlu rma rmb rml rmm rmn rmr rna rnb rnm rnn rnr rnu rra rrb rrl rrm rrn rrr rru rua rub rum run rur ruu ua- uaa uab ual uam uan uar uau uba ubb ubl ubn ubr ubu ula ulb ull ulm uln ulr ulu um- uma umb uml umm umn umr umu un- una unb unl unm unn unr unu ur- ura urb url urm urn urr uru uua uum uun uur uuu