ddd ddf ddi ddm ddo ddr dds dfd dff dfi dfm dfo dfr dfs di- did dif dii dim dio dir dis dmd dmf dmi dmm dmo dmr dms dod dof doi dom doo dor dos drd dri drm dro drr drs dsd dsf dsi dsm dso dsr dss fdd fdf fdi fdm fdo fdr fds ffd fff ffi ffm ffo ffr ffs fid fif fii fim fir fis fmd fmf fmi fmm fmo fmr fms fof foi fom foo for fos frd frf fri frm fro frr frs fsd fsf fsi fsm fso fsr fss i-d i-f idd idf idi idm ido idr ids ifd iff ifi ifm ifo ifr ifs iid iif iii iim iio iir iis im- imd imf imi imm imo ims io- iod iof ioi iom ioo ior ios ir- ird irf iri irm iro irr irs is- isd isf isi ism iso isr iss m-f m-o m-r mdd mdf mdi mdm mdo mdr mds mfd mff mfi mfm mfo mfr mfs mi- mid mif mii mim mio mir mis mmd mmf mmi mmm mmo mmr mms mod mof moi mom moo mor mos mrd mrf mri mrm mro mrr mrs msd msf msi msm mso msr mss o-i odd odf odi odm odo odr ods of- ofd off ofi ofm ofo ofr ofs oid oif oii oim oio oir ois om- omd omf omi omm omo omr oms oo- ood oof ooi oom ooo oor oos or- ord orf ori orm oro orr ors os- osd osf osi osm oso osr oss rdd rdf rdi rdm rdo rdr rds rfd rff rfi rfm rfo rfr rfs rid rif rii rim rio rir ris rmd rmf rmi rmm rmo rmr rms rod rof roi rom roo ror ros rrd rrf rri rrm rrr rrs rsd rsf rsi rsm rso rsr rss sdd sdf sdi sdm sdo sdr sds sfd sff sfi sfm sfo sfr sfs sid sif sii sim sio sir sis smd smf smi smm smo smr sms sod sof soi som soo sor sos sr- srd srf sri srm sro srr srs ss- ssd ssf ssi ssm sso ssr sss