ddd ddf ddo ddr dds ddt ddu ddx dfd dff dfo dfr dfs dft dfu dfx dod dof doo dor dos dot dou dox drd dro drr drs drt dru drx dsd dsf dso dsr dss dst dsu dsx dtd dtf dto dtr dts dtt dtu dtx dud duf duo dur dus dut dux dxd dxo dxr dxs dxt dxx fdd fdf fdo fdr fds fdt fdu fdx ffd fff ffo ffr ffs fft ffu ffx fof foo for fos fot fou fox frd frf fro frr frs frt fru fsd fsf fso fsr fss fst fsu fsx ftd ftf fto ftr fts ftt ftu ftx fud fuf fuo fur fus fut fuu fux fxr fxs fxt fxu fxx odd odf odo odr ods odt odu of- ofd off ofo ofr ofs oft ofu ofx oo- ood oof ooo oor oos oot oox or- ord orf oro orr ors ort oru orx os- osd osf oso osr oss ost osu osx ot- otd otf oto otr ots ott otu ou- oud ouf ouo our ous out ox- oxf oxo oxt oxx rdd rdf rdo rdr rds rdt rdu rdx rfd rff rfo rfr rfs rft rfu rod rof roo ror ros rot rou rox rrd rrf rrr rrs rrt rru rsd rsf rso rsr rss rst rsu rsx rtd rtf rto rtr rts rtt rtu rtx rud ruf ruo rur rus rut ruu rux rxr rxs sdd sdf sdo sdr sds sdt sdu sfd sff sfo sfr sfs sft sfu sfx sod sof soo sor sos sot sou sox sr- srd srf sro srr srs srt srx ss- ssd ssf sso ssr sss sst ssu ssx std stf sto str sts stt stu stx sud suf suo sur sus sut suu sux sxs sxt sxu t-x tdd tdf tdo tdr tds tdt tdu tdx tfd tff tfo tfr tfs tft tfu tfx to- tod tof too tor tos tot tou tox trd trf tro trr trs trt tru trx tsd tsf tso tsr tss tst tsu tsx ttd ttf tto ttr tts ttt ttu ttx tud tuf tuo tur tus tut tuu tux txf txs txt txu udd udf udo udr uds udt udu udx ufd uff ufo ufr ufs uft ufu ufx uod uoo uor uos uot uox ur- urd urf uro urr urs urt uru urx usd usf uso usr uss ust usu usx utd utf uto utr uts utt utu utx uur uus uut uuu uxf uxo uxr uxt uxu xdf xdr xds xdt xfs xft xfx xod xof xoo xor xos xot xox xrd xrf xrt xrx xss xst xtf xtr xts xtx xus xxo xxx

-ous dddd ddot ddss ddts dfds dfdt dfrf dftr dfts do-x dod- dodd dodo dods doff dood doof door doos doot dord dorf doro dorr dors dort doru doso doss dost dotd doto dots dott doud douf dour dous dout doux drod drof drot drou drrs drus drut druu dsdr dsos dsrr dsst dsto dsts dtor dtot dtox dtss dttx dtxt dudd dudo duds dudu duff dufu duo- duos duro durt duru dust duts duur duut dxdr dxds dxfx dxrd dxrf dxrr dxrt dxrx dxss dxts dxur dxxr dxxx fdos fdot fdst ffff ffrr ffss fftf fofo food foof foos foot for- ford foro forr fors fort foso foss fost foto fots fott foud four fous fout foxx fros frot frou frso frst fsfo fssf ftos ftrs ftsr fudd fuff fufu fuor fur- furo furr furs furt fusd fuso fuss fust fusu futo futs futu fxdd oddd odds odoo odor odos odot odou odso odts odtu odur odus ofdr off- offo offr offs offu ofor ofst ofus ooff oofs oooo ooos oord oort oost oots oous ordo ords ordu orff orfs orfu oro- orof oror oros orot orro orrs orso orsu orto orts orus osoo osor osos osrd osro ossd osso ossu ostr osts oto- otof otoo otor otos otro otrs otso otsu otto otts ottu otur otus ouds ouff our- ouro ours ourt ousd oust out- outo outs ouu- oxo- oxof oxos oxox oxud oxuf oxus oxxo rdos rdso rfds rodd rodo rods roff rofo rood roof roor roos root roox roro rort roru roso ross rost roto rotr rots rott roud rouf rous rout roux roxo rrrr rsdd rsds rsos rsts rstu rtdt rtss rtts rudd rudo ruds ruff rufo ruft rurd ruro rurs ruru ruso russ rust rusu ruto ruts rutt rutu ruud s-os sdds sdot sdrs sdsf sdss sdsu sdxf sfor sfos sfro sfss sfsu sfts sodd sodo sods sodu sofo soft sood soof soor soos soot sord soro sorr sors sort soru soso soss sost soto sots sotu soud souf sour sous sout soxs sros srsd srtr ssdd ssdf ssot ssrs sssf ssss sstd ssts stds stfu stod stof stoo stor stos stot stou stox strd stro strs stru stsf stss sttd sttr stud stuf stur stus stut stux sudd sudo suds suf- suff sufr sufs sufu suor suos sur- surd surf suro surr surs surt suru sus- susd suso suss sust susu suto sutu suus sux- suxt tdff tdor tdss tfot tfox tfrs tfsd tfss todd todo tods todt todu toff tofo toft tofu tood toof toor toos toot tord torf toro torr tors tort toru torx toso toss tost tosu tosx totd toto totr tots tott tour tous tout tox- toxo toxs toxt trfd trfr trod troo tros trot trou trox trsd trst trtr trud trus trut truu trux tsos tsou tssf tssr tsst tsts ttff ttss tttt tudu tuff tufo tuft tufu tuor tuos turd turf turo turr turs turt turu tusd tuss tust tuto tuts tutt tutu tuuo tuxs txtr udds udoo udos udot udox udsd udts ufos ufxs uofo uor- urds urdu urff urft uro- uroo urox urso urss ursu urts urur urus urut usdf usdo usds usdt usfs usos ussf ussr usss usst ussu usto usts usus utfo utor utto uttu uutf uuuu uxor uxus xdos xdxf xoro xors xout xoxo xrds xrod xtro xtsr xurs xuxu xxxo xxxx