ddd ddf ddi ddn dds dfd dff dfi dfn dfs di- did dif dii din dis dnd dnf dni dnn dns dsd dsf dsi dsn dss fdd fdf fdi fdn fds ffd fff ffi ffn ffs fid fif fii fin fis fnd fnf fni fnn fns fsd fsf fsi fsn fss i-d i-f idd idf idi idn ids ifd iff ifi ifn ifs iid iif iii iin iis in- ind inf ini inn ins is- isd isf isi isn iss n-i ndd ndf ndi ndn nds nfd nff nfi nfn nfs nid nif nii nin nis nnf nni nnn nns nsd nsf nsi nsn nss sdd sdf sdi sdn sds sfd sff sfi sfn sfs sid sif sii sin sis snd snf sni snn sns ss- ssd ssf ssi ssn sss