a-a aaa aad aan aao aas aaw aax ad- ada add adn ado ads adw adx an- ana and ann ano ans anx aoa aod aon aoo aos aow aox as- asa asd asn aso ass asw asx aw- awa awd awn awo aws aww ax- axa axn axo axs axx daa dad dan dao das daw dax dda ddd ddn ddo dds ddw ddx dna dnd dnn dno dns dnw doa dod don doo dos dow dox dsa dsd dsn dso dss dsw dsx dwa dwn dwo dws dww dwx dxd dxn dxo dxs dxx naa nad nan nao nas naw nax nda ndd ndn ndo nds nna nnn nno nns nnw no- noa nod non noo nos now nox nsa nsd nsn nso nss nsw nsx nwa nwd nwn nwo nws nxd oaa oad oan oao oas oaw oax oda odd odn odo ods on- ona ond onn ono ons onx oo- ooa ood oon ooo oos oow oox os- osa osd osn oso oss osw osx owa owd own owo ows oww ox- oxa oxn oxo oxx saa sad san sao sas saw sax sda sdd sdn sdo sds sdw sna snd snn sno sns snw soa sod son soo sos sow sox ss- ssa ssd ssn sso sss ssw ssx swa swd swn swo sws sxn sxs waa wad wan wao was waw wax wda wds wn- wna wnd wnn wno wns wnw woa wod won woo wos wow wox wsa wsd wsn wso wss wsw wsx wwa wwd wwn wwo www wxw xaa xad xan xas xda xds xna xno xns xoa xod xon xoo xos xox xsa xss xwa xwd xxo xxx