ddd ddf ddi ddn dds ddu dfd dff dfi dfn dfs dfu di- did dif dii din dis diu dnd dnf dni dnn dns dsd dsf dsi dsn dss dsu dud duf dui dun dus fdd fdf fdi fdn fds fdu ffd fff ffi ffn ffs ffu fid fif fii fin fis fiu fnd fnf fni fnn fns fnu fsd fsf fsi fsn fss fsu fud fuf fui fun fus fuu i-d i-f idd idf idi idn ids idu ifd iff ifi ifn ifs ifu iid iif iii iin iis iiu in- ind inf ini inn ins inu is- isd isf isi isn iss isu iu- iud iui ius n-i ndd ndf ndi ndn nds ndu nfd nff nfi nfn nfs nfu nid nif nii nin nis niu nnf nni nnn nns nnu nsd nsf nsi nsn nss nsu nud nui nun nus nuu sdd sdf sdi sdn sds sdu sfd sff sfi sfn sfs sfu sid sif sii sin sis siu snd snf sni snn sns snu ss- ssd ssf ssi ssn sss ssu sud suf sui sun sus suu udd udf udi udn uds udu ufd uff ufi ufn ufs ufu uid uif uii uin uis uiu un- und unf uni unn uns unu usd usf usi usn uss usu uun uus uuu