a-a a-b a-z aaa aab aag aao aas aau aaw aaz ab- aba abb abg abo abs abu abw abz ag- aga agb agg ago ags agu agw agz aoa aob aog aoo aos aou aow as- asa asb asg aso ass asu asw asz au- aua aub aug auo aus auw auz aw- awa awb awg awo aws awu aww az- aza azb azg azo azs azu azw azz b-u baa bab bag bao bas bau baw baz bba bbb bbg bbo bbs bbu bbw bga bgb bgg bgo bgs bgu bgw bgz boa bob bog boo bos bou bow boz bsa bsb bsg bso bss bsu bsw bua bub bug buo bus buu buw buz bwa bwb bwg bwo bws bwu bza bzo bzs bzu bzz gaa gab gag gao gas gau gaw gaz gba gbg gbo gbs gbu gbw gbz gga ggb ggg ggo ggs ggu ggw ggz goa gob gog goo gos gou gow goz gsa gsb gsg gso gss gsu gsw gu- gua gub gug guo gus guu guz gwa gwb gwg gws gwu gza gzo gzu oaa oab oag oao oas oau oaw ob- oba obb obg obo obs obu obw oga ogg ogo ogs oo- ooa oob oog ooo oos oow os- osa osb osg oso oss osu osw ou- oua ouo ous owa owb owo ows owu oww oza ozo ozs ozu ozw ozz saa sab sag sao sas sau saw saz sba sbb sbg sbo sbs sbu sbw sga sgb sgg sgo sgs sgu soa sob sog soo sos sou sow soz ss- ssa ssb ssg sso sss ssu ssw ssz sua sub sug suo sus suu suw suz swa swb swg swo sws swu sza szu ua- uaa uab uag uao uas uau uaw uaz uba ubb ubg ubo ubs ubu ubw uga ugb ugg ugo ugs ugu uoa uob uog uoo uos uow usa usb usg uso uss usu usw usz uua uug uus uuu uwa uwb uwg uws uww uza uzb uzo uzu waa wab wag wao was wau waw waz wba wbb wbg wbo wbs wbw wbz wga wgb wgo wgs wgw wgz woa wob wog woo wos wou wow woz wsa wsb wsg wso wss wsu wsw wua wub wug wuo wus wuz wwa wwo wwu www wzu z-g zaa zab zag zao zas zaz zbb zbs zbw zgb zgg zgs zo- zoa zob zog zoo zos zou zow zsa zsg zsu zsz zub zug zus zuz zws zzs zzz