a-a aaa aad aao aar aas aax aay ad- ada add ado adr ads adx ady aoa aod aoo aor aos aox ar- ara ard aro arr ars arx ary as- asa asd aso asr ass asx asy ax- axa axo axr axs axx ay- aya ayd ayo ayr ays ayx daa dad dao dar das dax day dda ddd ddo ddr dds ddx ddy doa dod doo dor dos dox doy dra drd dro drr drs drx dry dsa dsd dso dsr dss dsx dsy dxd dxo dxr dxs dxx dy- dya dyd dyo dyr dys dyy oaa oad oao oar oas oax oda odd odo odr ods oo- ooa ood ooo oor oos oox or- ora ord oro orr ors orx ory os- osa osd oso osr oss osx ox- oxa oxo oxx oxy oya oyd oyo oys ra- raa rad rao rar ras rax ray rda rdd rdo rdr rds rdx rdy roa rod roo ror ros rox roy rra rrd rrr rrs rsa rsd rso rsr rss rsx rxr rxs ry- rya ryd ryo ryr rys ryy saa sad sao sar sas sax say sda sdd sdo sdr sds sdy soa sod soo sor sos sox soy sr- sra srd sro srr srs srx sry ss- ssa ssd sso ssr sss ssx sxs sy- sya syd syr sys syx xaa xad xar xas xda xdr xds xoa xod xoo xor xos xox xrd xrx xry xsa xss xxo xxx xxy xyr xyy yaa yad yao yar yas yax yay yda ydo yds ydy yod yoo yor yos yox yoy yra yro yrs ysa yso ysr yss ysy yxa yxy yys yyy