a-a a-b a-i a-z aaa aab aai aak aan aao aau aaz ab- aba abb abi abk abn abo abu abz ai- aia aib aii aik ain aio aiu aiz aka akb aki akk akn ako aku an- ana anb ani ank ann ano anu anz aoa aob aoi aok aon aoo aou au- aua aub aui auk aun auo auz az- aza azb azi azn azo azu azz b-u baa bab bai bak ban bao bau baz bba bbb bbi bbk bbn bbo bbu bi- bia bib bii bik bin bio biu biz bka bkb bkk bkn bko bna bnb bni bnk bnn bno bnu bnz boa bob boi bok bon boo bou boz bua bub bui buk bun buo buu buz bza bzn bzo bzu bzz ia- iaa iab iai ian iao iau iaz iba ibb ibi ibk ibn ibo ibu ibz iia iib iii iin iio iiu ika ikb iki ikk iko iku in- ina inb ini ink inn ino inu io- ioa iob ioi ion ioo iou iu- iua iub iui iuz iza izi izo izu izz k-z ka- kaa kab kai kak kan kao kau kaz kba kbb kbi kbk kbn kbo kbu kbz kia kib kii kik kin kio kiu kiz kkb kki kkk kkn kku kn- kna kni knk knn kno knu koa kob koi kok kon koo kou koz kub kui kuk kun kuu kzo n-i naa nab nai nak nan nao nau naz nba nbb nbi nbk nbn nbo nbu nia nib nii nik nin nio niu niz nka nki nkk nkn nko nku nna nnb nni nnk nnn nno nnu nnz no- noa nob noi nok non noo nou noz nua nub nui nuk nun nuo nuu nzb nzi nzo nzz o-i oaa oab oai oak oan oao oau ob- oba obb obi obk obn obo obu oia oib oii oik oin oio oiu oiz oka okb oki okk oko oku on- ona onb oni onk onn ono onu oo- ooa oob ooi ook oon ooo ou- oua oui ouk oun ouo oza ozo ozu ozz ua- uaa uab uai uak uan uao uau uaz uba ubb ubi ubk ubn ubo ubu uia uib uii uin uio uiu uka ukb uki ukk ukn uku ukz un- una unb uni unk unn uno unu uoa uob uok uon uoo uua uun uuu uza uzb uzi uzo uzu zaa zab zai zak zan zao zaz zbb zia zib zik zin zio ziz zka znn zno zo- zoa zob zoi zok zon zoo zou zub zui zuk zun zuz zzz