a-a a-b a-i a-q aaa aab aai aan aaq aas ab- aba abb abi abn abq abs ai- aia aib aii ain aiq ais an- ana anb ani ann anq ans aqa aqi aqn aqs as- asa asb asi asn asq ass baa bab bai ban baq bas bba bbb bbi bbn bbq bbs bi- bia bib bii bin bis bna bnb bni bnn bns bsa bsb bsi bsn bss ia- iaa iab iai ian iaq ias iba ibb ibi ibn ibs iia iib iii iin iis in- ina inb ini inn inq ins iqa iqs is- isa isb isi isn isq iss n-i naa nab nai nan nas nba nbb nbi nbn nbs nia nib nii nin niq nis nna nnb nni nnn nns nqs nsa nsb nsi nsn nss qaa qan qas qba qbq qbs qin qis qnb qni qns qqq qsa qsi saa sab sai san saq sas sba sbb sbi sbn sbq sbs sia sib sii sin siq sis sna snb sni snn sns sqa sqi sqn sqq sqs ss- ssa ssb ssi ssn ssq sss