a-a a-b aaa aab aad aah aao aas aaw aax ab- aba abb abd abh abo abs abw abx ad- ada adb add adh ado ads adw adx aha ahb ahd ahh aho ahs ahw ahx aoa aob aod aoh aoo aos aow aox as- asa asb asd ash aso ass asw asx aw- awa awb awd awh awo aws aww ax- axa axh axo axs axx baa bab bad bah bao bas baw bax bba bbb bbd bbh bbo bbs bbw bbx bda bdb bdd bdh bdo bds bdw bdx bha bhb bhd bhh bho bhs bhw bhx boa bob bod boh boo bos bow box bsa bsb bsd bsh bso bss bsw bsx bwa bwb bwd bwh bwo bws bxb bxd bxo bxw bxx daa dab dad dah dao das daw dax dba dbb dbd dbh dbo dbs dbx dda ddb ddd ddh ddo dds ddw ddx dh- dha dhb dhd dhh dho dhs dhw doa dob dod doh doo dos dow dox dsa dsb dsd dsh dso dss dsw dsx dwa dwb dwh dwo dws dww dwx dxd dxo dxs dxx haa hab had hah hao has haw hax hba hbb hbd hbh hbo hbs hbw hbx hda hdb hdd hdh hdo hds hdw hdx hha hhb hhd hhh hho hhs hhw hoa hob hod hoh hoo hos how hox hsa hsb hsd hsh hss hsw hsx hw- hwa hwb hwd hwo hws hww hxd oaa oab oad oah oao oas oaw oax ob- oba obb obd obh obo obs obw obx oda odb odd odh odo ods oha ohd ohh oho ohs oo- ooa oob ood ooh ooo oos oow oox os- osa osb osd osh oso oss osw osx owa owb owd owh owo ows oww ox- oxa oxb oxo oxx saa sab sad sah sao sas saw sax sba sbb sbd sbh sbo sbs sbw sbx sda sdb sdd sdh sdo sds sdw sh- sha shb shd shh sho shs soa sob sod soh soo sos sow sox ss- ssa ssb ssd ssh sso sss ssw ssx swa swb swd swh swo sws sxs waa wab wad wah wao was waw wax wba wbb wbd wbo wbs wbw wbx wda wdb wds wh- wha whb whd whh who whs whw woa wob wod woh woo wos wow wox wsa wsb wsd wsh wso wss wsw wsx wwa wwd wwo www wxw xaa xad xas xbx xda xdb xdh xds xhd xoa xod xoo xos xox xsa xsb xss xwa xwd xxo xxx