ddd ddf ddi ddk ddn ddr dds ddt dfd dff dfi dfk dfn dfr dfs dft di- did dif dii dik din dir dis dit dki dkk dkr dks dkt dnd dnf dni dnk dnn dnr dns dnt drd dri drk drn drr drs drt dsd dsf dsi dsk dsn dsr dss dst dtd dtf dti dtk dtn dtr dts dtt fdd fdf fdi fdk fdn fdr fds fdt ffd fff ffi ffk ffn ffr ffs fft fid fif fii fik fin fir fis fit fkf fki fkk fkt fnd fnf fni fnk fnn fnr fns fnt frd frf fri frk frn frr frs frt fsd fsf fsi fsk fsn fsr fss fst ftd ftf fti ftk ftn ftr fts ftt i-d i-f idd idf idi idk idn idr ids idt ifd iff ifi ifn ifr ifs ift iid iif iii iin iir iis iit ikf iki ikk ikr iks ikt in- ind inf ini ink inn inr ins int ir- ird irf iri irk irn irr irs irt is- isd isf isi isk isn isr iss ist itd itf iti itk itn its itt k-t kdf kdk kdr kds kdt kfd kff kfi kfs kid kif kii kik kin kir kis kit kki kkk kkn kkr kks kkt kn- knd knf kni knk knn knr knt krd krf kri krk krn krr krs krt ksd ksf ksi ksk ksn ksr kss kst ktf ktk ktn ktr kts ktt n-i ndd ndf ndi ndk ndn ndr nds ndt nfd nff nfi nfk nfn nfr nfs nft nid nif nii nik nin nir nis nit nkf nki nkk nkn nkr nks nkt nnf nni nnk nnn nns nnt nrd nrf nri nrk nrn nrr nrs nrt nsd nsf nsi nsk nsn nsr nss nst ntd ntf nti ntk ntn ntr nts ntt rdd rdf rdi rdn rdr rds rdt rfd rff rfi rfk rfn rfr rfs rft rid rif rii rik rin rir ris rit rkf rkk rks rkt rnd rni rnn rnr rns rnt rrd rrf rri rrk rrn rrr rrs rrt rsd rsf rsi rsk rsn rsr rss rst rtd rtf rti rtk rtn rtr rts rtt sdd sdf sdi sdk sdn sdr sds sdt sfd sff sfi sfk sfn sfr sfs sft sid sif sii sik sin sir sis sit sk- skd skf ski skk skr sks skt snd snf sni snk snn snr sns snt sr- srd srf sri srk srn srr srs srt ss- ssd ssf ssi ssk ssn ssr sss sst std stf sti stk stn str sts stt tdd tdf tdi tdk tdn tdr tds tdt tfd tff tfi tfk tfn tfr tfs tft tid tif tii tik tin tir tis tit tkk tkr tks tkt tnd tnf tni tnk tnn tnr tns tnt trd trf tri trk trn trr trs trt tsd tsf tsi tsk tsn tsr tss tst ttd ttf tti ttk ttn ttr tts ttt