a-a a-b a-i a-z aaa aab aai aak aan aau aaz ab- aba abb abi abk abn abu abz ai- aia aib aii aik ain aiu aiz aka akb aki akk akn aku an- ana anb ani ank ann anu anz au- aua aub aui auk aun auz az- aza azb azi azn azu azz b-u baa bab bai bak ban bau baz bba bbb bbi bbk bbn bbu bi- bia bib bii bik bin biu biz bka bkb bkk bkn bna bnb bni bnk bnn bnu bnz bua bub bui buk bun buu buz bza bzn bzu bzz ia- iaa iab iai ian iau iaz iba ibb ibi ibk ibn ibu ibz iia iib iii iin iiu ika ikb iki ikk iku in- ina inb ini ink inn inu iu- iua iub iui iuz iza izi izu izz k-z ka- kaa kab kai kak kan kau kaz kba kbb kbi kbk kbn kbu kbz kia kib kii kik kin kiu kiz kkb kki kkk kkn kku kn- kna kni knk knn knu kub kui kuk kun kuu n-i naa nab nai nak nan nau naz nba nbb nbi nbk nbn nbu nia nib nii nik nin niu niz nka nki nkk nkn nku nna nnb nni nnk nnn nnu nnz nua nub nui nuk nun nuu nzb nzi nzz ua- uaa uab uai uak uan uau uaz uba ubb ubi ubk ubn ubu uia uib uii uin uiu uka ukb uki ukk ukn uku ukz un- una unb uni unk unn unu uua uun uuu uza uzb uzi uzu zaa zab zai zak zan zaz zbb zia zib zik zin ziz zka znn zub zui zuk zun zuz zzz