ddd ddf ddi ddn ddo ddr dds dfd dff dfi dfn dfo dfr dfs di- did dif dii din dio dir dis dnd dnf dni dnn dno dnr dns dod dof doi don doo dor dos drd dri drn dro drr drs dsd dsf dsi dsn dso dsr dss fdd fdf fdi fdn fdo fdr fds ffd fff ffi ffn ffo ffr ffs fid fif fii fin fir fis fnd fnf fni fnn fnr fns fof foi fon foo for fos frd frf fri frn fro frr frs fsd fsf fsi fsn fso fsr fss i-d i-f idd idf idi idn ido idr ids ifd iff ifi ifn ifo ifr ifs iid iif iii iin iio iir iis in- ind inf ini inn ino inr ins io- iod iof ioi ion ioo ior ios ir- ird irf iri irn iro irr irs is- isd isf isi isn iso isr iss n-i ndd ndf ndi ndn ndo ndr nds nfd nff nfi nfn nfo nfr nfs nid nif nii nin nio nir nis nnf nni nnn nno nns no- nod nof noi non noo nor nos nrd nrf nri nrn nro nrr nrs nsd nsf nsi nsn nso nsr nss o-i odd odf odi odn odo odr ods of- ofd off ofi ofn ofo ofr ofs oid oif oii oin oio oir ois on- ond onf oni onn ono onr ons oo- ood oof ooi oon ooo oor oos or- ord orf ori orn oro orr ors os- osd osf osi osn oso osr oss rdd rdf rdi rdn rdo rdr rds rfd rff rfi rfn rfo rfr rfs rid rif rii rin rio rir ris rnd rni rnn rno rnr rns rod rof roi ron roo ror ros rrd rrf rri rrn rrr rrs rsd rsf rsi rsn rso rsr rss sdd sdf sdi sdn sdo sdr sds sfd sff sfi sfn sfo sfr sfs sid sif sii sin sio sir sis snd snf sni snn sno snr sns sod sof soi son soo sor sos sr- srd srf sri srn sro srr srs ss- ssd ssf ssi ssn sso ssr sss