a-a aaa aad aan aao aar aax aay ad- ada add adn ado adr adx ady an- ana and ann ano anr anx any aoa aod aon aoo aor aox ar- ara ard arn aro arr arx ary ax- axa axn axo axr axx ay- aya ayd ayn ayo ayr ayx daa dad dan dao dar dax day dda ddd ddn ddo ddr ddx ddy dna dnd dnn dno dnr dny doa dod don doo dor dox doy dra drd drn dro drr drx dry dxd dxn dxo dxr dxx dy- dya dyd dyn dyo dyr dyy naa nad nan nao nar nax nay nda ndd ndn ndo ndr ndy nna nnn nno no- noa nod non noo nor nox noy nra nrd nrn nro nrr nrx nry nxd nya nyd nyn nyo nyx nyy oaa oad oan oao oar oax oda odd odn odo odr on- ona ond onn ono onr onx ony oo- ooa ood oon ooo oor oox or- ora ord orn oro orr orx ory ox- oxa oxn oxo oxx oxy oya oyd oyo ra- raa rad ran rao rar rax ray rda rdd rdn rdo rdr rdx rdy rna rnd rnn rno rnr rny roa rod ron roo ror rox roy rra rrd rrn rrr rxr ry- rya ryd ryn ryo ryr ryy xaa xad xan xar xda xdr xna xno xoa xod xon xoo xor xox xrd xrx xry xxo xxx xxy xyr xyy yaa yad yan yao yar yax yay yda ydn ydo ydy yna ynd ynn yny yod yon yoo yor yox yoy yra yrn yro yxa yxy yyy