ddd ddf ddi ddm ddr dds dfd dff dfi dfm dfr dfs di- did dif dii dim dir dis dmd dmf dmi dmm dmr dms drd dri drm drr drs dsd dsf dsi dsm dsr dss fdd fdf fdi fdm fdr fds ffd fff ffi ffm ffr ffs fid fif fii fim fir fis fmd fmf fmi fmm fmr fms frd frf fri frm frr frs fsd fsf fsi fsm fsr fss i-d i-f idd idf idi idm idr ids ifd iff ifi ifm ifr ifs iid iif iii iim iir iis im- imd imf imi imm ims ir- ird irf iri irm irr irs is- isd isf isi ism isr iss m-f m-r mdd mdf mdi mdm mdr mds mfd mff mfi mfm mfr mfs mi- mid mif mii mim mir mis mmd mmf mmi mmm mmr mms mrd mrf mri mrm mrr mrs msd msf msi msm msr mss rdd rdf rdi rdm rdr rds rfd rff rfi rfm rfr rfs rid rif rii rim rir ris rmd rmf rmi rmm rmr rms rrd rrf rri rrm rrr rrs rsd rsf rsi rsm rsr rss sdd sdf sdi sdm sdr sds sfd sff sfi sfm sfr sfs sid sif sii sim sir sis smd smf smi smm smr sms sr- srd srf sri srm srr srs ss- ssd ssf ssi ssm ssr sss