c-- ccc ccd ccf cco ccr ccs cct ccu cdc cdd cdf cdo cdr cds cdt cdu cfc cfd cff cfo cfr cfs cft cfu co- coc cod cof coo cor cos cot cou crc crd crf cro crr crs crt cru csc csd csf cso csr css cst csu ctc ctd ctf cto ctr cts ctt ctu cuc cud cuf cuo cur cus cut cuu dcc dcd dcf dco dcr dcs dct dcu ddc ddd ddf ddo ddr dds ddt ddu dfc dfd dff dfo dfr dfs dft dfu doc dod dof doo dor dos dot dou drc drd dro drr drs drt dru dsc dsd dsf dso dsr dss dst dsu dtc dtd dtf dto dtr dts dtt dtu duc dud duf duo dur dus dut fcc fcd fcf fco fcr fcs fct fcu fdc fdd fdf fdo fdr fds fdt fdu ffc ffd fff ffo ffr ffs fft ffu foc fof foo for fos fot fou frc frd frf fro frr frs frt fru fsc fsd fsf fso fsr fss fst fsu ftc ftd ftf fto ftr fts ftt ftu fud fuf fuo fur fus fut fuu oc- occ ocd ocf oco ocr ocs oct ocu odc odd odf odo odr ods odt odu of- ofc ofd off ofo ofr ofs oft ofu oo- ooc ood oof ooo oor oos oot or- orc ord orf oro orr ors ort oru os- osc osd osf oso osr oss ost osu ot- otc otd otf oto otr ots ott otu ou- ouc oud ouf ouo our ous out rcc rcd rcf rco rcr rcs rct rcu rdc rdd rdf rdo rdr rds rdt rdu rfc rfd rff rfo rfr rfs rft rfu roc rod rof roo ror ros rot rou rrc rrd rrf rrr rrs rrt rru rsc rsd rsf rso rsr rss rst rsu rtc rtd rtf rto rtr rts rtt rtu ruc rud ruf ruo rur rus rut ruu scc scd scf sco scr scs sct scu sdc sdd sdf sdo sdr sds sdt sdu sfc sfd sff sfo sfr sfs sft sfu soc sod sof soo sor sos sot sou sr- src srd srf sro srr srs srt ss- ssc ssd ssf sso ssr sss sst ssu stc std stf sto str sts stt stu suc sud suf suo sur sus sut suu tcc tcd tcf tco tcr tcs tct tcu tdc tdd tdf tdo tdr tds tdt tdu tfc tfd tff tfo tfr tfs tft tfu to- toc tod tof too tor tos tot tou trc trd trf tro trr trs trt tru tsc tsd tsf tso tsr tss tst tsu ttc ttd ttf tto ttr tts ttt ttu tuc tud tuf tuo tur tus tut tuu ucc ucd ucf uco ucr ucs uct ucu udc udd udf udo udr uds udt udu ufc ufd uff ufo ufr ufs uft ufu uoc uod uoo uor uos uot ur- urc urd urf uro urr urs urt uru usc usd usf uso usr uss ust usu utc utd utf uto utr uts utt utu uuc uur uus uut uuu

-ous c-cd cccc cccf cccs cccu ccdc ccdf ccdr ccds ccfc ccfd ccff ccoc ccod ccrc ccrf ccrs ccrt ccsd ccsf ccss ccst cctc cctt ccuc ccus ccut cd-r cdcs cddr cdfs cdos cdot cdrs cdss cfcf cfco cfcs cfds cffr cfor cfos cfrt cftc cftr coco coct cocu codd cods cofc coff cofs coft cood coof coos coot cor- corc cord corf coro corr cors cort cosc coso coss cost cotc coto cots cott cotu coud cour cous cout crcc crcr crdc crfc crfs croc crod croo cror crot crrt crss crst crtc crtf crts crud crus crut cscc cscd cscf csco cscr cscs csdr csfc csfr csor csos csot csrc csrd csrs cssd cssr cstc cstd csto cstr csts csuf csur csus ctcf ctfc ctfo ctfs ctor ctos ctot ctrc ctrs ctsc ctss ctsu ctts cucc cuds cufc cuff cufo curd curf curo curr curs curt cusd cuso cuss cust cusu cut- cutc cuto cuts cutt dccc dccs dcct dccu dcds dcfc dcfs dcos dcsc dcss dctc dcts dddd ddoc ddot ddrc ddss ddts dfcc dfco dfcs dfcu dfds dfdt dfrf dftr dfts doco docs doct docu dod- dodd dodo dods doff dood doof door doos doot dorc dord dorf doro dorr dors dort doru doso doss dost dotd doto dots dott douc doud douf dour dous dout drfc drod drof drot drou drrs drus drut druu dscc dscr dscs dsdr dsfc dsos dsrc dsrr dssc dsst dstc dsto dsts dtcc dtfc dtor dtot dtss duco ducs duct dudd dudo duds dudu dufc duff dufu duo- duos duro durt duru dust duts duur duut fccf fcds fcot fcsc fcst fcto fdoc fdos fdot fdst fdtc ffcc ffff ffrr ffss fftf foco focs fofo food foof foos foot for- ford foro forr fors fort foso foss fost foto fots fott foud four fous fout frcc frfc fros frot frou frsc frso frst fscc fsfo fssc fssf ft-c ftcd ftfc ftos ftrs ftsr ftuc fuc- fuct fudd fufc fuff fufu fuor fur- furo furr furs furt fusc fusd fuso fuss fust fusu futo futs futu occc occt ocds ocos ocro ocrr ocrs oct- octo octs ocur oddd odds odoo odor odos odot odou odso odts odtu odur odus ofcr ofdr off- offc offo offr offs offu ofor ofst ofus oocr ooff oofs oooo ooos oord oort oost oots oous orco orcs ordo ords ordu orff orfs orfu oro- orof oror oros orot orro orrs orso orsu ortc orto orts orus oscc osco osoo osor osos osrd osro ossd osso ossu ostc ostr osts otcd otfc oto- otof otoo otor otos otro otrs otso otsu otto otts ottu otur otus oucc oudc ouds oufc ouff our- ouro ours ourt ousd oust out- outo outs ouu- rccc rccs rcdc rcds rcfc rcos rcrd rcsc rcsd rcss rctc rcts rdoc rdos rdso rfds rffc rftc rocc roco rocs rodd rodo rods rofc roff rofo rood roof roor roos root rorc roro