a-a a-b a-i aaa aab aai aan aas aaw ab- aba abb abi abn abs abw ai- aia aib aii ain ais aiw an- ana anb ani ann ans as- asa asb asi asn ass asw aw- awa awb awi awn aws aww baa bab bai ban bas baw bba bbb bbi bbn bbs bbw bi- bia bib bii bin bis biw bna bnb bni bnn bns bnw bsa bsb bsi bsn bss bsw bwa bwb bwi bws ia- iaa iab iai ian ias iaw iba ibb ibi ibn ibs ibw iia iib iii iin iis iiw in- ina inb ini inn ins is- isa isb isi isn iss isw iwa iwb iwi iws iww n-i naa nab nai nan nas naw nba nbb nbi nbn nbs nbw nia nib nii nin nis nna nnb nni nnn nns nnw nsa nsb nsi nsn nss nsw nwa nwb nwi nwn nws saa sab sai san sas saw sba sbb sbi sbn sbs sbw sia sib sii sin sis siw sna snb sni snn sns snw ss- ssa ssb ssi ssn sss ssw swa swb swi swn sws waa wab wai wan was waw wba wbb wbi wbn wbs wbw wia wib wii win wis wn- wna wnn wns wnw wsa wsb wsi wsn wss wsw wwa wwi wwn www