ddd ddf ddi ddo ddp ddr dds ddt dfd dff dfi dfo dfp dfr dfs dft di- did dif dii dio dip dir dis dit dod dof doi doo dop dor dos dot dpd dpf dpi dpo dpp dpr dps dpt drd dri dro drp drr drs drt dsd dsf dsi dso dsp dsr dss dst dtd dtf dti dto dtp dtr dts dtt fdd fdf fdi fdo fdp fdr fds fdt ffd fff ffi ffo ffp ffr ffs fft fid fif fii fip fir fis fit fof foi foo fop for fos fot fpd fpi fpo fpp fpr fps fpt frd frf fri fro frp frr frs frt fsd fsf fsi fso fsp fsr fss fst ftd ftf fti fto ftp ftr fts ftt i-d i-f idd idf idi ido idp idr ids idt ifd iff ifi ifo ifp ifr ifs ift iid iif iii iio iip iir iis iit io- iod iof ioi ioo iop ior ios iot ipd ipf ipi ipo ipp ipr ips ipt ir- ird irf iri iro irp irr irs irt is- isd isf isi iso isp isr iss ist itd itf iti ito itp its itt o-i odd odf odi odo odp odr ods odt of- ofd off ofi ofo ofp ofr ofs oft oid oif oii oio oip oir ois oit oo- ood oof ooi ooo oop oor oos oot op- opd opf opi opo opp opr ops opt or- ord orf ori oro orp orr ors ort os- osd osf osi oso osp osr oss ost ot- otd otf oti oto otp otr ots ott p-p pdd pdf pdi pdo pdp pdr pds pdt pfd pff pfi pfo pfp pfr pfs pft pid pif pii pio pip pir pis pit pod pof poi poo pop por pos pot ppd ppf ppi ppo ppp ppr pps ppt prd prf pri pro prp prr prs prt ps- psd psf psi pso psp psr pss pst pt- ptd ptf pti pto ptp ptr pts ptt rdd rdf rdi rdo rdp rdr rds rdt rfd rff rfi rfo rfp rfr rfs rft rid rif rii rio rip rir ris rit rod rof roi roo rop ror ros rot rpd rpf rpi rpo rpp rpr rps rpt rrd rrf rri rrp rrr rrs rrt rsd rsf rsi rso rsp rsr rss rst rtd rtf rti rto rtp rtr rts rtt sdd sdf sdi sdo sdp sdr sds sdt sfd sff sfi sfo sfp sfr sfs sft sid sif sii sio sip sir sis sit sod sof soi soo sop sor sos sot spd spf spi spo spp spr sps spt sr- srd srf sri sro srp srr srs srt ss- ssd ssf ssi sso ssp ssr sss sst std stf sti sto stp str sts stt tdd tdf tdi tdo tdp tdr tds tdt tfd tff tfi tfo tfp tfr tfs tft tid tif tii tio tip tir tis tit to- tod tof toi too top tor tos tot tpd tpf tpi tpo tpp tpr tps tpt trd trf tri tro trp trr trs trt tsd tsf tsi tso tsp tsr tss tst ttd ttf tti tto ttp ttr tts ttt

dddd ddot ddpo ddps ddss ddts dfds dfdt dfrf dfri dftr dfts didi dido dids dif- diff difs diii diis diop dior dios diot dipo dipp dips dipt dird dirr dirs dirt dis- disd disi diso disp diss dist diti dito dits ditt dod- dodd dodi dodo dods doff doid dois doit dood doof doop door doos doot dopo dopp dopr dops dopt dord dorf dori doro dorp dorr dors dort dosi doso doss dost dotd doti doto dots dott dpdt dpos dpsd dpst dpts drif drip drit drod drof drop drot drrs drsp dsdp dsdr dsif dsip dsos dspf dsps dspt dsri dsrp dsrr dssi dssp dsst dsto dsts dtdp dtor dtot dtss dttp fdos fdot fdst fdti ffff ffii ffps ffrr ffss fftf fidf fido fids fiff fifi fifo fift fiii fior fios fipp fips firs fisd fisi fiss fist fiti fits fitt fofo foid fois food foof foos foot fopp fops for- ford fori foro forr fors fort fosi foso foss fost foti foto fotp fots fott fpdt fprf frid frio frip fris frit frop fros frot frpd frps frso frst fsfi fsfo fspf fssf fssp ftdi ftii ftop ftos ftps ftrs ftsr iddo idfp idid idio idir idis idos idps idrf idro idsf idso idss idtp idts ifid ifis ifit ifor ifpo ifps ifrf ifri ifso ifsp ifto iiii iiio iiis iiit iioi iioo iiop iios iipf iirs iisd iisi iisp iisr iist iitr iitt iod- iodd iodo ioii ioio ioit ioof iooi iooo ioos iops iori iors ioso iotf ioto ipdi ipid ipod ipop ipos ippf ippo ippr ipri ipsi ipso ipsp ipss ipto ipts irdo irdp irds iri- irid irio irip iris irod irop irps irri irrs irsf irsp irtf irti irtp irts isds isfp isis isit iso- isof isop isor isos ispf ispr isps isri isrp issf issi isso issp issr isss istd isti isto istp istr ists itdo itif itis itof itoi itoo itor itos itrf itri itrs itsf itsi itso itsp ittf itto oddd oddi odds odio odir odis odoo odop odor odos odot odrp odso odts ofdr off- offo offr offs ofid ofit ofor ofst oftp oido oids oiii oios oirt oisd oist oiti oodi ooff oofs ooid oooo ooos oops oord oort oosi oost ootp oots opds opii opio opis opit opo- opor opos oppi oppo opps opsi opti opto opts ordo ords orff orfi orfs ori- orid orif orio oris orit oro- orof oror oros orot orpi orps orri orro orrs orsi orso orto orts osdi osii osip osis osoi osoo osor osos osrd osro ossd ossi osso osti ostr osts otfp otif otis otit oto- otof otoo otor otos otpp otro otrs otso otti otto otts pdfs pdos pdpr pdrs pdsd pdss pfff pffr pfft pfis pfit pfps pido pids piff pifs piip piot pipi pipo pipp pips piri piro pirr pirs