a-a a-b a-i a-t a-z aaa aab aai aak aan aas aat aaz ab- aba abb abi abk abn abs abt abz ai- aia aib aii aik ain ais ait aiz aka akb aki akk akn aks an- ana anb ani ank ann ans ant anz as- asa asb asi ask asn ass ast asz at- ata atb ati atn ats att atz az- aza azb azi azn azs azt azz baa bab bai bak ban bas bat baz bba bbb bbi bbk bbn bbs bbt bi- bia bib bii bik bin bis bit biz bka bkb bkk bkn bks bkt bna bnb bni bnk bnn bns bnt bnz bsa bsb bsi bsk bsn bss bst bta btb bti btk btn bts btt btz bza bzn bzs bzz ia- iaa iab iai ian ias iat iaz iba ibb ibi ibk ibn ibs ibt ibz iia iib iii iin iis iit ika ikb iki ikk iks ikt in- ina inb ini ink inn ins int is- isa isb isi isk isn iss ist ita itb iti itk itn its itt itz iza izi izz k-t k-z ka- kaa kab kai kak kan kas kat kaz kba kbb kbi kbk kbn kbs kbz kia kib kii kik kin kis kit kiz kkb kki kkk kkn kks kkt kn- kna kni knk knn knt ksa ksb ksi ksk ksn kss kst kta ktb ktk ktn kts ktt n-i naa nab nai nak nan nas nat naz nba nbb nbi nbk nbn nbs nbt nia nib nii nik nin nis nit niz nka nki nkk nkn nks nkt nna nnb nni nnk nnn nns nnt nnz nsa nsb nsi nsk nsn nss nst nsz nta ntb nti ntk ntn nts ntt ntz nzb nzi nzs nzz saa sab sai sak san sas sat saz sba sbb sbi sbk sbn sbs sbt sia sib sii sik sin sis sit sk- ska skb ski skk sks skt sna snb sni snk snn sns snt ss- ssa ssb ssi ssk ssn sss sst ssz sta stb sti stk stn sts stt stz sza szi taa tab tai tak tan tas tat taz tba tbb tbi tbk tbn tbs tbt tbz tia tib tii tik tin tis tit tiz tka tkb tkk tks tkt tkz tna tnb tni tnk tnn tns tnt tnz tsa tsb tsi tsk tsn tss tst tta ttb tti ttk ttn tts ttt tza tzs zaa zab zai zak zan zas zat zaz zbb zbs zbt zia zib zik zin zis zit ziz zka zks znn zns zsa zsi zst zsz zta zzs zzt zzz