a-a a-b aaa aab aah aao aas aaw aay ab- aba abb abh abo abs abw aby aha ahb ahh aho ahs ahw ahy aoa aob aoh aoo aos aow as- asa asb ash aso ass asw asy aw- awa awb awh awo aws aww awy ay- aya ayh ayo ays ayw baa bab bah bao bas baw bay bba bbb bbh bbo bbs bbw bby bha bhb bhh bho bhs bhw boa bob boh boo bos bow boy bsa bsb bsh bso bss bsw bsy bwa bwb bwh bwo bws bwy by- bya byh byo bys haa hab hah hao has haw hay hba hbb hbh hbo hbs hbw hby hha hhb hhh hho hhs hhw hhy hoa hob hoh hoo hos how hoy hsa hsb hsh hss hsw hsy hw- hwa hwb hwo hws hww hwy hy- hya hyb hyh hyo hys hyw hyy oaa oab oah oao oas oaw ob- oba obb obh obo obs obw oby oha ohh oho ohs oo- ooa oob ooh ooo oos oow os- osa osb osh oso oss osw owa owb owh owo ows oww oya oyo oys saa sab sah sao sas saw say sba sbb sbh sbo sbs sbw sby sh- sha shb shh sho shs shy soa sob soh soo sos sow soy ss- ssa ssb ssh sso sss ssw swa swb swh swo sws swy sy- sya syb syh sys waa wab wah wao was waw way wba wbb wbo wbs wbw wh- wha whb whh who whs whw why woa wob woh woo wos wow woy wsa wsb wsh wso wss wsw wwa wwo www wy- wya wyo wys yaa yab yah yao yas yaw yay ybs yby yha yhs yhw yob yoo yos yow yoy ysa ysb yso yss ysy yyb yys yyy