ddd ddf ddi ddn ddp ddr dds ddt dfd dff dfi dfn dfp dfr dfs dft di- did dif dii din dip dir dis dit dnd dnf dni dnn dnp dnr dns dnt dpd dpf dpi dpn dpp dpr dps dpt drd dri drn drp drr drs drt dsd dsf dsi dsn dsp dsr dss dst dtd dtf dti dtn dtp dtr dts dtt fdd fdf fdi fdn fdp fdr fds fdt ffd fff ffi ffn ffp ffr ffs fft fid fif fii fin fip fir fis fit fnd fnf fni fnn fnp fnr fns fnt fpd fpi fpn fpp fpr fps fpt frd frf fri frn frp frr frs frt fsd fsf fsi fsn fsp fsr fss fst ftd ftf fti ftn ftp ftr fts ftt i-d i-f idd idf idi idn idp idr ids idt ifd iff ifi ifn ifp ifr ifs ift iid iif iii iin iip iir iis iit in- ind inf ini inn inp inr ins int ipd ipf ipi ipn ipp ipr ips ipt ir- ird irf iri irn irp irr irs irt is- isd isf isi isn isp isr iss ist itd itf iti itn itp its itt n-i ndd ndf ndi ndn ndp ndr nds ndt nfd nff nfi nfn nfp nfr nfs nft nid nif nii nin nip nir nis nit nnf nni nnn nnp nns nnt npd npf npi npn npp npr nps npt nrd nrf nri nrn nrp nrr nrs nrt nsd nsf nsi nsn nsp nsr nss nst ntd ntf nti ntn ntp ntr nts ntt p-p pdd pdf pdi pdn pdp pdr pds pdt pfd pff pfi pfn pfp pfr pfs pft pid pif pii pin pip pir pis pit pn- pnd pnf pni pnn pnp pnr pns pnt ppd ppf ppi ppn ppp ppr pps ppt prd prf pri prn prp prr prs prt ps- psd psf psi psn psp psr pss pst pt- ptd ptf pti ptn ptp ptr pts ptt rdd rdf rdi rdn rdp rdr rds rdt rfd rff rfi rfn rfp rfr rfs rft rid rif rii rin rip rir ris rit rnd rni rnn rnp rnr rns rnt rpd rpf rpi rpn rpp rpr rps rpt rrd rrf rri rrn rrp rrr rrs rrt rsd rsf rsi rsn rsp rsr rss rst rtd rtf rti rtn rtp rtr rts rtt sdd sdf sdi sdn sdp sdr sds sdt sfd sff sfi sfn sfp sfr sfs sft sid sif sii sin sip sir sis sit snd snf sni snn snp snr sns snt spd spf spi spn spp spr sps spt sr- srd srf sri srn srp srr srs srt ss- ssd ssf ssi ssn ssp ssr sss sst std stf sti stn stp str sts stt tdd tdf tdi tdn tdp tdr tds tdt tfd tff tfi tfn tfp tfr tfs tft tid tif tii tin tip tir tis tit tnd tnf tni tnn tnp tnr tns tnt tpd tpf tpi tpn tpp tpr tps tpt trd trf tri trn trp trr trs trt tsd tsf tsi tsn tsp tsr tss tst ttd ttf tti ttn ttp ttr tts ttt