a-a a-b a-i aaa aab aai aak aan aau ab- aba abb abi abk abn abu ai- aia aib aii aik ain aiu aka akb aki akk akn aku an- ana anb ani ank ann anu au- aua aub aui auk aun b-u baa bab bai bak ban bau bba bbb bbi bbk bbn bbu bi- bia bib bii bik bin biu bka bkb bkk bkn bna bnb bni bnk bnn bnu bua bub bui buk bun buu ia- iaa iab iai ian iau iba ibb ibi ibk ibn ibu iia iib iii iin iiu ika ikb iki ikk iku in- ina inb ini ink inn inu iu- iua iub iui ka- kaa kab kai kak kan kau kba kbb kbi kbk kbn kbu kia kib kii kik kin kiu kkb kki kkk kkn kku kn- kna kni knk knn knu kub kui kuk kun kuu n-i naa nab nai nak nan nau nba nbb nbi nbk nbn nbu nia nib nii nik nin niu nka nki nkk nkn nku nna nnb nni nnk nnn nnu nua nub nui nuk nun nuu ua- uaa uab uai uak uan uau uba ubb ubi ubk ubn ubu uia uib uii uin uiu uka ukb uki ukk ukn uku un- una unb uni unk unn unu uua uun uuu