ddd ddf ddi ddk ddo ddr dds ddt dfd dff dfi dfk dfo dfr dfs dft di- did dif dii dik dio dir dis dit dki dkk dko dkr dks dkt dod dof doi dok doo dor dos dot drd dri drk dro drr drs drt dsd dsf dsi dsk dso dsr dss dst dtd dtf dti dtk dto dtr dts dtt fdd fdf fdi fdk fdo fdr fds fdt ffd fff ffi ffk ffo ffr ffs fft fid fif fii fik fir fis fit fkf fki fkk fkt fof foi fok foo for fos fot frd frf fri frk fro frr frs frt fsd fsf fsi fsk fso fsr fss fst ftd ftf fti ftk fto ftr fts ftt i-d i-f idd idf idi idk ido idr ids idt ifd iff ifi ifo ifr ifs ift iid iif iii iio iir iis iit ikf iki ikk iko ikr iks ikt io- iod iof ioi ioo ior ios iot ir- ird irf iri irk iro irr irs irt is- isd isf isi isk iso isr iss ist itd itf iti itk ito its itt k-t kdf kdk kdo kdr kds kdt kfd kff kfi kfo kfs kid kif kii kik kio kir kis kit kki kkk kkr kks kkt kod kof koi kok koo kor kos kot krd krf kri krk kro krr krs krt ksd ksf ksi ksk kso ksr kss kst ktf ktk kto ktr kts ktt o-i odd odf odi odo odr ods odt of- ofd off ofi ofo ofr ofs oft oid oif oii oik oio oir ois oit okd oki okk oko okr oks oo- ood oof ooi ook ooo oor oos oot or- ord orf ori ork oro orr ors ort os- osd osf osi osk oso osr oss ost ot- otd otf oti otk oto otr ots ott rdd rdf rdi rdo rdr rds rdt rfd rff rfi rfk rfo rfr rfs rft rid rif rii rik rio rir ris rit rkf rkk rko rks rkt rod rof roi rok roo ror ros rot rrd rrf rri rrk rrr rrs rrt rsd rsf rsi rsk rso rsr rss rst rtd rtf rti rtk rto rtr rts rtt sdd sdf sdi sdk sdo sdr sds sdt sfd sff sfi sfk sfo sfr sfs sft sid sif sii sik sio sir sis sit sk- skd skf ski skk sko skr sks skt sod sof soi sok soo sor sos sot sr- srd srf sri srk sro srr srs srt ss- ssd ssf ssi ssk sso ssr sss sst std stf sti stk sto str sts stt tdd tdf tdi tdk tdo tdr tds tdt tfd tff tfi tfk tfo tfr tfs tft tid tif tii tik tio tir tis tit tkk tko tkr tks tkt to- tod tof toi tok too tor tos tot trd trf tri trk tro trr trs trt tsd tsf tsi tsk tso tsr tss tst ttd ttf tti ttk tto ttr tts ttt