a-a a-z aaa aam aan aar aau aax aaz ama amm amn amr amu amx amz an- ana anm ann anr anu anx anz ar- ara arm arn arr aru arx arz au- aua aum aun aur aux auz ax- axa axm axn axr axx az- aza azm azn azu azx azz m-r maa mam man mar mau max maz mma mmm mmn mmr mmu mmx mmz mna mnm mnn mnr mnu mnz mra mrm mrn mrr mru mrx mrz mua mum mun mur muu mux mxa mxn mxr mxu mza mzm mzn mzx naa nam nan nar nau nax naz nma nmm nmn nmr nmu nmz nna nnm nnn nnu nnz nra nrm nrn nrr nru nrx nrz nua num nun nur nuu nux nzz ra- raa ram ran rar rau rax raz rma rmm rmn rmr rmx rna rnm rnn rnr rnu rnz rra rrm rrn rrr rru rua rum run rur ruu rux ruz rxr rza rzm ua- uaa uam uan uar uau uaz um- uma umm umn umr umu un- una unm unn unr unu unx ur- ura urm urn urr uru urx urz uua uum uun uur uuu uxr uxu uza uzu xaa xam xan xar xau xma xmm xmr xmu xmx xna xnu xrx xun xxx zaa zam zan zar zax zaz zma zmm znn zum zun zur zuz zxx zzr zzx zzz