ddd ddi ddn ddr dds ddx ddy di- did dii din dir dis dix diy dnd dni dnn dnr dns dny drd dri drn drr drs drx dry dsd dsi dsn dsr dss dsx dsy dxd dxi dxn dxr dxs dxx dy- dyd dyn dyr dys dyy i-d idd idi idn idr ids idx idy iid iii iin iir iis iix in- ind ini inn inr ins inx iny ir- ird iri irn irr irs irx iry is- isd isi isn isr iss isy ixi ixn ixy iyr iys iyy n-i ndd ndi ndn ndr nds ndy nid nii nin nir nis nix nni nnn nns nrd nri nrn nrr nrs nrx nry nsd nsi nsn nsr nss nsx nsy nxd nyd nyn nys nyx nyy rdd rdi rdn rdr rds rdx rdy rid rii rin rir ris rix riy rnd rni rnn rnr rns rny rrd rri rrn rrr rrs rsd rsi rsn rsr rss rsx rxr rxs ry- ryd ryn ryr rys ryy sdd sdi sdn sdr sds sdy sid sii sin sir sis six snd sni snn snr sns sny sr- srd sri srn srr srs srx sry ss- ssd ssi ssn ssr sss ssx sxi sxn sxs sy- syd syi syn syr sys syx xdi xdr xds xii xin xis xix xns xrd xrx xry xsi xss xxi xxx xxy xyr xyy ydn yds ydy yid yii yin yir yis ynd ynn yns yny yrn yrs ysi ysr yss ysy yxy yys yyy