ddd ddf ddg ddn ddo dds dfd dff dfg dfn dfo dfs dgd dgf dgg dgn dgs dnd dnf dng dnn dno dns dod dof dog don doo dos dsd dsf dsg dsn dso dss fdd fdf fdg fdn fdo fds ffd fff ffg ffn ffo ffs fgd fgf fgg fgn fgs fnd fnf fng fnn fns fof fog fon foo fos fsd fsf fsg fsn fso fss g-d gdd gdf gdn gdo gds gfd gff gfo gfs ggd ggg ggn ggo ggs gnd gnf gnn gno gns god gof gog gon goo gos gsd gsf gsg gsn gso gss ndd ndf ndg ndn ndo nds nfd nff nfn nfo nfs ngd ngf ngg ngn ngo ngs nnf nng nnn nno nns no- nod nof nog non noo nos nsd nsf nsg nsn nso nss odd odf odg odn odo ods of- ofd off ofg ofn ofo ofs ogd ogf ogg ogn ogo ogs on- ond onf ong onn ono ons oo- ood oof oog oon ooo oos os- osd osf osg osn oso oss sdd sdf sdg sdn sdo sds sfd sff sfg sfn sfo sfs sgd sgf sgg sgn sgo sgs snd snf sng snn sno sns sod sof sog son soo sos ss- ssd ssf ssg ssn sso sss