a-a aaa aad aan aas aax aay ad- ada add adn ads adx ady an- ana and ann ans anx any as- asa asd asn ass asx asy ax- axa axn axs axx ay- aya ayd ayn ays ayx daa dad dan das dax day dda ddd ddn dds ddx ddy dna dnd dnn dns dny dsa dsd dsn dss dsx dsy dxd dxn dxs dxx dy- dya dyd dyn dys dyy naa nad nan nas nax nay nda ndd ndn nds ndy nna nnn nns nsa nsd nsn nss nsx nsy nxd nya nyd nyn nys nyx nyy saa sad san sas sax say sda sdd sdn sds sdy sna snd snn sns sny ss- ssa ssd ssn sss ssx sxn sxs sy- sya syd syn sys syx xaa xad xan xas xda xds xna xns xsa xss xxx xxy xyy yaa yad yan yas yax yay yda ydn yds ydy yna ynd ynn yns yny ysa yss ysy yxa yxy yys yyy