ddd dde ddf ddi ddo dds ddt de- ded dee def dei deo des det dfd dfe dff dfi dfo dfs dft di- did die dif dii dio dis dit dod doe dof doi doo dos dot dsd dse dsf dsi dso dss dst dtd dte dtf dti dto dts dtt ed- edd ede edf edi edo eds edt eed eee eef eeo ees eet ef- efd efe eff efi efo efs eft eid eie eif eii eio eis eit eo- eod eoe eof eoi eoo eos eot es- esd ese esf esi eso ess est etd ete etf eti eto ets ett fdd fde fdf fdi fdo fds fdt fed fee fef fei feo fes fet ffd ffe fff ffi ffo ffs fft fid fie fif fii fis fit foe fof foi foo fos fot fsd fse fsf fsi fso fss fst ftd fte ftf fti fto fts ftt i-d i-f idd ide idf idi ido ids idt ie- ied iee ief iei ies iet ifd ife iff ifi ifo ifs ift iid iie iif iii iio iis iit io- iod ioe iof ioi ioo ios iot is- isd ise isf isi iso iss ist itd ite itf iti ito its itt o-i odd ode odf odi odo ods odt oed oee oef oei oeo oes oet of- ofd ofe off ofi ofo ofs oft oid oie oif oii oio ois oit oo- ood oof ooi ooo oos oot os- osd ose osf osi oso oss ost ot- otd ote otf oti oto ots ott sdd sde sdf sdi sdo sds sdt se- sed see sef sei seo ses set sfd sfe sff sfi sfo sfs sft sid sie sif sii sio sis sit sod soe sof soi soo sos sot ss- ssd sse ssf ssi sso sss sst std ste stf sti sto sts stt tdd tde tdf tdi tdo tds tdt te- ted tee tef tei teo tes tet tfd tfe tff tfi tfo tfs tft tid tie tif tii tio tis tit to- tod toe tof toi too tos tot tsd tse tsf tsi tso tss tst ttd tte ttf tti tto tts ttt