a-a a-b a-i a-t aaa aab aai aas aat aau aaw ab- aba abb abi abs abt abu abw ai- aia aib aii ais ait aiu aiw as- asa asb asi ass ast asu asw at- ata atb ati ats att atu atw au- aua aub aui aus aut auw aw- awa awb awi aws awt awu aww b-u baa bab bai bas bat bau baw bba bbb bbi bbs bbt bbu bbw bi- bia bib bii bis bit biu biw bsa bsb bsi bss bst bsu bsw bta btb bti bts btt btu btw bua bub bui bus but buu buw bwa bwb bwi bws bwu ia- iaa iab iai ias iat iau iaw iba ibb ibi ibs ibt ibu ibw iia iib iii iis iit iiu iiw is- isa isb isi iss ist isu isw ita itb iti its itt itu iu- iua iub iui ius iut iwa iwb iwi iws iwt iwu iww saa sab sai sas sat sau saw sba sbb sbi sbs sbt sbu sbw sia sib sii sis sit siu siw ss- ssa ssb ssi sss sst ssu ssw sta stb sti sts stt stu stw sua sub sui sus sut suu suw swa swb swi sws swt swu taa tab tai tas tat tau taw tba tbb tbi tbs tbt tbu tia tib tii tis tit tiu tiw tsa tsb tsi tss tst tsu tsw tta ttb tti tts ttt ttu ttw tua tub tui tus tut tuu twa twb twi tws twt twu tww ua- uaa uab uai uas uat uau uaw uba ubb ubi ubs ubt ubu ubw uia uib uii uis uit uiu usa usb usi uss ust usu usw uta utb uti uts utt utu uua uus uut uuu uwa uwb uws uww waa wab wai was wat wau waw wba wbb wbi wbs wbt wbw wia wib wii wis wit wiu wsa wsb wsi wss wst wsu wsw wta wtb wti wts wtt wtu wtw wua wub wus wut wwa wwi wwt wwu www