a-a aaa aad aag aan aao aar aax ad- ada add adg adn ado adr adx ag- aga agd agg agn ago agr agx an- ana and ang ann ano anr anx aoa aod aog aon aoo aor aox ar- ara ard arg arn aro arr arx ax- axa axn axo axr axx daa dad dag dan dao dar dax dda ddd ddg ddn ddo ddr ddx dga dgd dgg dgn dgr dna dnd dng dnn dno dnr doa dod dog don doo dor dox dra drd drg drn dro drr drx dxd dxn dxo dxr dxx g-d gaa gad gag gan gao gar gda gdd gdn gdo gdr gdx gga ggd ggg ggn ggo ggr gna gnd gnn gno gnr goa god gog gon goo gor gox gra grd grg grn gro grr grx gxa naa nad nag nan nao nar nax nda ndd ndg ndn ndo ndr nga ngd ngg ngn ngo nna nng nnn nno no- noa nod nog non noo nor nox nra nrd nrg nrn nro nrr nrx nxd oaa oad oag oan oao oar oax oda odd odg odn odo odr oga ogd ogg ogn ogo ogx on- ona ond ong onn ono onr onx oo- ooa ood oog oon ooo oor oox or- ora ord org orn oro orr orx ox- oxa oxn oxo oxx ra- raa rad rag ran rao rar rax rda rdd rdg rdn rdo rdr rdx rga rgd rgg rgn rgo rgr rgx rna rnd rng rnn rno rnr roa rod rog ron roo ror rox rra rrd rrg rrn rrr rxr xaa xad xag xan xar xda xdr xna xno xoa xod xog xon xoo xor xox xrd xrx xxo xxx