ddd ddi ddk ddn dds ddy di- did dii dik din dis diy dki dkk dks dnd dni dnk dnn dns dny dsd dsi dsk dsn dss dsy dy- dyd dyk dyn dys dyy i-d idd idi idk idn ids idy iid iii iin iis iki ikk iks in- ind ini ink inn ins iny is- isd isi isk isn iss isy iys iyy kdk kds kdy kid kii kik kin kis kki kkk kkn kks kky kn- knd kni knk knn ksd ksi ksk ksn kss kyd kyn kys n-i ndd ndi ndk ndn nds ndy nid nii nik nin nis nki nkk nkn nks nky nni nnk nnn nns nsd nsi nsk nsn nss nsy nyd nyk nyn nys nyy sdd sdi sdk sdn sds sdy sid sii sik sin sis sk- skd ski skk sks sky snd sni snk snn sns sny ss- ssd ssi ssk ssn sss sy- syd syi syk syn sys ydn yds ydy yid yii yin yis yki ykk ykn ynd ynk ynn yns yny ysi ysk yss ysy yys yyy