ddd ddi ddk ddn ddo ddr dds di- did dii dik din dio dir dis dki dkk dko dkr dks dnd dni dnk dnn dno dnr dns dod doi dok don doo dor dos drd dri drk drn dro drr drs dsd dsi dsk dsn dso dsr dss i-d idd idi idk idn ido idr ids iid iii iin iio iir iis iki ikk iko ikr iks in- ind ini ink inn ino inr ins io- iod ioi ion ioo ior ios ir- ird iri irk irn iro irr irs is- isd isi isk isn iso isr iss kdk kdo kdr kds kid kii kik kin kio kir kis kki kkk kkn kkr kks kn- knd kni knk knn kno knr kod koi kok kon koo kor kos krd kri krk krn kro krr krs ksd ksi ksk ksn kso ksr kss n-i ndd ndi ndk ndn ndo ndr nds nid nii nik nin nio nir nis nki nkk nkn nko nkr nks nni nnk nnn nno nns no- nod noi nok non noo nor nos nrd nri nrk nrn nro nrr nrs nsd nsi nsk nsn nso nsr nss o-i odd odi odn odo odr ods oid oii oik oin oio oir ois okd oki okk oko okr oks on- ond oni onk onn ono onr ons oo- ood ooi ook oon ooo oor oos or- ord ori ork orn oro orr ors os- osd osi osk osn oso osr oss rdd rdi rdn rdo rdr rds rid rii rik rin rio rir ris rkk rko rks rnd rni rnn rno rnr rns rod roi rok ron roo ror ros rrd rri rrk rrn rrr rrs rsd rsi rsk rsn rso rsr rss sdd sdi sdk sdn sdo sdr sds sid sii sik sin sio sir sis sk- skd ski skk sko skr sks snd sni snk snn sno snr sns sod soi sok son soo sor sos sr- srd sri srk srn sro srr srs ss- ssd ssi ssk ssn sso ssr sss