ddd ddf ddi ddn ddo dds dfd dff dfi dfn dfo dfs di- did dif dii din dio dis dnd dnf dni dnn dno dns dod dof doi don doo dos dsd dsf dsi dsn dso dss fdd fdf fdi fdn fdo fds ffd fff ffi ffn ffo ffs fid fif fii fin fis fnd fnf fni fnn fns fof foi fon foo fos fsd fsf fsi fsn fso fss i-d i-f idd idf idi idn ido ids ifd iff ifi ifn ifo ifs iid iif iii iin iio iis in- ind inf ini inn ino ins io- iod iof ioi ion ioo ios is- isd isf isi isn iso iss n-i ndd ndf ndi ndn ndo nds nfd nff nfi nfn nfo nfs nid nif nii nin nio nis nnf nni nnn nno nns no- nod nof noi non noo nos nsd nsf nsi nsn nso nss o-i odd odf odi odn odo ods of- ofd off ofi ofn ofo ofs oid oif oii oin oio ois on- ond onf oni onn ono ons oo- ood oof ooi oon ooo oos os- osd osf osi osn oso oss sdd sdf sdi sdn sdo sds sfd sff sfi sfn sfo sfs sid sif sii sin sio sis snd snf sni snn sno sns sod sof soi son soo sos ss- ssd ssf ssi ssn sso sss