ddd ddi ddk ddn ddr dds di- did dii dik din dir dis dki dkk dkr dks dnd dni dnk dnn dnr dns drd dri drk drn drr drs dsd dsi dsk dsn dsr dss i-d idd idi idk idn idr ids iid iii iin iir iis iki ikk ikr iks in- ind ini ink inn inr ins ir- ird iri irk irn irr irs is- isd isi isk isn isr iss kdk kdr kds kid kii kik kin kir kis kki kkk kkn kkr kks kn- knd kni knk knn knr krd kri krk krn krr krs ksd ksi ksk ksn ksr kss n-i ndd ndi ndk ndn ndr nds nid nii nik nin nir nis nki nkk nkn nkr nks nni nnk nnn nns nrd nri nrk nrn nrr nrs nsd nsi nsk nsn nsr nss rdd rdi rdn rdr rds rid rii rik rin rir ris rkk rks rnd rni rnn rnr rns rrd rri rrk rrn rrr rrs rsd rsi rsk rsn rsr rss sdd sdi sdk sdn sdr sds sid sii sik sin sir sis sk- skd ski skk skr sks snd sni snk snn snr sns sr- srd sri srk srn srr srs ss- ssd ssi ssk ssn ssr sss