a-a a-b a-z aaa aab aag aah aan aas aaz ab- aba abb abg abh abn abs abz ag- aga agb agg agh agn ags agz aha ahb ahg ahh ahn ahs ahz an- ana anb ang anh ann ans anz as- asa asb asg ash asn ass asz az- aza azb azg azn azs azz baa bab bag bah ban bas baz bba bbb bbg bbh bbn bbs bga bgb bgg bgh bgn bgs bgz bha bhb bhg bhh bhs bna bnb bng bnn bns bnz bsa bsb bsg bsh bsn bss bza bzh bzn bzs bzz gaa gab gag gah gan gas gaz gba gbg gbh gbn gbs gbz gga ggb ggg ggh ggn ggs ggz gha ghb ghg ghh ghn ghs ghz gna gnb gnn gns gsa gsb gsg gsn gss gza haa hab hag hah han has haz hba hbb hbg hbh hbn hbs hbz hga hgb hgg hgh hgn hgs hha hhb hhg hhh hhn hhs hhz hna hnb hng hnh hnn hns hnz hsa hsb hsg hsh hsn hss hsz hzs naa nab nag nah nan nas naz nba nbb nbg nbn nbs nga ngb ngg ngh ngn ngs nha nhb nhg nhh nhn nhs nhz nna nnb nng nnh nnn nns nnz nsa nsb nsg nsh nsn nss nsz nzb nzg nzs nzz saa sab sag sah san sas saz sba sbb sbg sbh sbn sbs sga sgb sgg sgh sgn sgs sh- sha shb shg shh shn shs sna snb sng snn sns ss- ssa ssb ssg ssh ssn sss ssz sza z-g zaa zab zag zah zan zas zaz zbb zbs zgb zgg zgs zha zhs znn zns zsa zsg zsh zsz zzs zzz