a-a a-b a-i a-z aaa aab aag aai aan aao aau aaz ab- aba abb abg abi abn abo abu abz ag- aga agb agg agi agn ago agu agz ai- aia aib aig aii ain aio aiu aiz an- ana anb ang ani ann ano anu anz aoa aob aog aoi aon aoo aou au- aua aub aug aui aun auo auz az- aza azb azg azi azn azo azu azz b-u baa bab bag bai ban bao bau baz bba bbb bbg bbi bbn bbo bbu bga bgb bgg bgi bgn bgo bgu bgz bi- bia bib big bii bin bio biu biz bna bnb bng bni bnn bno bnu bnz boa bob bog boi bon boo bou boz bua bub bug bui bun buo buu buz bza bzn bzo bzu bzz gaa gab gag gai gan gao gau gaz gba gbg gbi gbn gbo gbu gbz gga ggb ggg ggi ggn ggo ggu ggz gia gib gig gii gin gio giu giz gna gnb gni gnn gno gnu goa gob gog goi gon goo gou goz gu- gua gub gug gui gun guo guu guz gza gzo gzu ia- iaa iab iag iai ian iao iau iaz iba ibb ibg ibi ibn ibo ibu ibz iga igb igg igi ign igo igu iia iib iii iin iio iiu in- ina inb ing ini inn ino inu io- ioa iob iog ioi ion ioo iou iu- iua iub iug iui iuz iza izi izo izu izz n-i naa nab nag nai nan nao nau naz nba nbb nbg nbi nbn nbo nbu nga ngb ngg ngi ngn ngo ngu nia nib nig nii nin nio niu niz nna nnb nng nni nnn nno nnu nnz no- noa nob nog noi non noo nou noz nua nub nug nui nun nuo nuu nzb nzg nzi nzo nzz o-i oaa oab oag oai oan oao oau ob- oba obb obg obi obn obo obu oga ogg ogi ogn ogo oia oib oii oin oio oiu oiz on- ona onb ong oni onn ono onu oo- ooa oob oog ooi oon ooo ou- oua oui oun ouo oza ozo ozu ozz ua- uaa uab uag uai uan uao uau uaz uba ubb ubg ubi ubn ubo ubu uga ugb ugg ugi ugn ugo ugu uia uib uig uii uin uio uiu un- una unb ung uni unn uno unu uoa uob uog uon uoo uua uug uun uuu uza uzb uzi uzo uzu z-g zaa zab zag zai zan zao zaz zbb zgb zgg zgi zia zib zig zin zio ziz znn zno zo- zoa zob zog zoi zon zoo zou zub zug zui zun zuz zzz