a-a a-i a-t aaa aai aas aat aaw ai- aia aii ais ait aiw as- asa asi ass ast asw at- ata ati ats att atw aw- awa awi aws awt aww ia- iaa iai ias iat iaw iia iii iis iit iiw is- isa isi iss ist isw ita iti its itt iwa iwi iws iwt iww saa sai sas sat saw sia sii sis sit siw ss- ssa ssi sss sst ssw sta sti sts stt stw swa swi sws swt taa tai tas tat taw tia tii tis tit tiw tsa tsi tss tst tsw tta tti tts ttt ttw twa twi tws twt tww waa wai was wat waw wia wii wis wit wsa wsi wss wst wsw wta wti wts wtt wtw wwa wwi wwt www