ddd ddi ddn dds di- did dii din dis div dnd dni dnn dns dsd dsi dsn dss dsv dvd dvi dvn dvs i-d i-v idd idi idn ids idv iid iii iin iis in- ind ini inn ins inv is- isd isi isn iss isv ivd ivi ivs ivv n-i ndd ndi ndn nds ndv nid nii nin nis niv nni nnn nns nnv nsd nsi nsn nss nsv nvd nvi nvn nvv sdd sdi sdn sds sdv sid sii sin sis siv snd sni snn sns snv ss- ssd ssi ssn sss ssv svd svi svn svs svv vdd vdi vds vdv vi- vid vii vin vis viv vn- vnd vni vns vnv vsd vsi vsn vss vsv vvi vvs vvv