a-a a-b a-i a-z aaa aab aag aai aan aas aaz ab- aba abb abg abi abn abs abz ag- aga agb agg agi agn ags agz ai- aia aib aig aii ain ais aiz an- ana anb ang ani ann ans anz as- asa asb asg asi asn ass asz az- aza azb azg azi azn azs azz baa bab bag bai ban bas baz bba bbb bbg bbi bbn bbs bga bgb bgg bgi bgn bgs bgz bi- bia bib big bii bin bis biz bna bnb bng bni bnn bns bnz bsa bsb bsg bsi bsn bss bza bzn bzs bzz gaa gab gag gai gan gas gaz gba gbg gbi gbn gbs gbz gga ggb ggg ggi ggn ggs ggz gia gib gig gii gin gis giz gna gnb gni gnn gns gsa gsb gsg gsi gsn gss gza ia- iaa iab iag iai ian ias iaz iba ibb ibg ibi ibn ibs ibz iga igb igg igi ign igs iia iib iii iin iis in- ina inb ing ini inn ins is- isa isb isg isi isn iss iza izi izz n-i naa nab nag nai nan nas naz nba nbb nbg nbi nbn nbs nga ngb ngg ngi ngn ngs nia nib nig nii nin nis niz nna nnb nng nni nnn nns nnz nsa nsb nsg nsi nsn nss nsz nzb nzg nzi nzs nzz saa sab sag sai san sas saz sba sbb sbg sbi sbn sbs sga sgb sgg sgi sgn sgs sia sib sig sii sin sis sna snb sng sni snn sns ss- ssa ssb ssg ssi ssn sss ssz sza szi z-g zaa zab zag zai zan zas zaz zbb zbs zgb zgg zgi zgs zia zib zig zin zis ziz znn zns zsa zsg zsi zsz zzs zzz