c-- ccc ccd ccf cck cco ccr cct ccu cdc cdd cdf cdk cdo cdr cdt cdu cfc cfd cff cfk cfo cfr cft cfu ckc ckd cko ckt co- coc cod cof cok coo cor cot cou crc crd crf crk cro crr crt cru ctc ctd ctf ctk cto ctr ctt ctu cuc cud cuf cuk cuo cur cut cuu dcc dcd dcf dck dco dcr dct dcu ddc ddd ddf ddk ddo ddr ddt ddu dfc dfd dff dfk dfo dfr dft dfu dkc dkk dko dkr dkt dku doc dod dof dok doo dor dot dou drc drd drk dro drr drt dru dtc dtd dtf dtk dto dtr dtt dtu duc dud duf duk duo dur dut fcc fcd fcf fck fco fcr fct fcu fdc fdd fdf fdk fdo fdr fdt fdu ffc ffd fff ffk ffo ffr fft ffu fkc fkf fkk fkt foc fof fok foo for fot fou frc frd frf frk fro frr frt fru ftc ftd ftf ftk fto ftr ftt ftu fud fuf fuk fuo fur fut fuu k-t kcc kcd kck kcr kct kcu kdc kdf kdk kdo kdr kdt kdu kfc kfd kff kfo kfu kkc kkk kkr kkt kku koc kod kof kok koo kor kot kou krc krd krf krk kro krr krt kru ktc ktf ktk kto ktr ktt ktu kuc kud kuk kur kut kuu oc- occ ocd ocf ock oco ocr oct ocu odc odd odf odo odr odt odu of- ofc ofd off ofo ofr oft ofu okc okd okk oko okr oku oo- ooc ood oof ook ooo oor oot or- orc ord orf ork oro orr ort oru ot- otc otd otf otk oto otr ott otu ou- ouc oud ouf ouk ouo our out rcc rcd rcf rco rcr rct rcu rdc rdd rdf rdo rdr rdt rdu rfc rfd rff rfk rfo rfr rft rfu rkc rkf rkk rko rkt rku roc rod rof rok roo ror rot rou rrc rrd rrf rrk rrr rrt rru rtc rtd rtf rtk rto rtr rtt rtu ruc rud ruf ruk ruo rur rut ruu tcc tcd tcf tck tco tcr tct tcu tdc tdd tdf tdk tdo tdr tdt tdu tfc tfd tff tfk tfo tfr tft tfu tkc tkk tko tkr tkt to- toc tod tof tok too tor tot tou trc trd trf trk tro trr trt tru ttc ttd ttf ttk tto ttr ttt ttu tuc tud tuf tuk tuo tur tut tuu ucc ucd ucf uck uco ucr uct ucu udc udd udf udk udo udr udt udu ufc ufd uff ufo ufr uft ufu ukc ukf ukk ukr uku uoc uod uok uoo uor uot ur- urc urd urf urk uro urr urt uru utc utd utf utk uto utr utt utu uuc uur uut uuu

c-cd cccc cccf cccu ccdc ccdf ccdr ccfc ccfd ccff ccoc ccod ccrc ccrf ccrt cctc cctt ccuc ccut cd-r cddr cdot cfcf cfco cffr cfor cfrt cftc cftk cftr ckck ckco ckdo ckdu ckfr ckoc ckoo ckor ckot ckrc ckrd cock coco coct cocu codd cofc coff coft cok- coko cood coof cook coot cor- corc cord corf cork coro corr cort cotc coto cott cotu coud couk cour cout crcc crcr crdc crfc crkc croc crod crok croo cror crot crrt crtc crtf crud cruk crut ctcf ctfc ctfo ctor ctot ctrc cucc cuck cufc cuff cufo cuk- curd curf curo curr curt cut- cutc cuto cutt dccc dcct dccu dcfc dcrk dctc dddd ddoc ddot ddrc dfcc dfco dfcu dfdt dfrf dftr dkdc dock doco doct docu dod- dodd dodo doff doko dood doof dook door doot dorc dord dorf dork doro dorr dort doru dotd dotk doto dott douc doud douf douk dour dout drfc drod drof drot drou druk drut druu dtcc dtfc dtor dtot duck duco duct dudd dudo dudu dufc duff dufu dukt duku duo- durk duro durt duru duur duut f--k fccf fcot fcto fcuk fdoc fdot fdtc ffcc ffff ffrr fftf fock foco fofo food foof fook foot for- ford fork foro forr fort foto fott foud four fout frcc frfc frot frou ft-c ftcd ftfc ftuc fuc- fuck fuct fudd fufc fuff fufu fukk fuko fuku fuor fur- furo furr furt futo futu kccc kccd kcck kccr kcct kccu kcdc kcdd kcdr kcdu kcfc kcfd kcfo kcft kckc kckf kckk kcko kckr kcof kcor kcot kcou kcrc kcro kcrr kcrt kcru kctc kcto kctu kcuf kcuk kdcc kdcd kdco kdcr kddc kddd kddf kddk kddr kdfc kdfo kdfr kdft kdkd kdkk kdko kdkr kdkt kdoc kdok kdot kdrf kdro kdtd kdtr kduc kdur kdut kfcd kfcf kfco kfcr kfff kffk kfok kfoo kfor kfrc kfrd kfro kfrr kfru kftc kftk kftt kftu kfuo kfut kkcd kkck kkco kkcr kkct kkdc kkdd kkdo kkdt kkfr kkft kkkk kkoo kkor kkot kkrc kkrf kkrk kkro kkrr kkrt kktc kktk kktu kkut kkuu kocd kocf kock koct kodk kodo kodt kodu kofc koff kofk kofo koft kofu kokc kokf kokk koko kokr koku kooc kook kooo koor koot koou korc kord korf kork koro korr kort koru kotc kotd kotk koto kotr kott kotu kour kout kouu krcc krcd krco krcu krdc krdd krdo krdr krdu krfc krfd krff krfo krft krkc krkd krkk krko krkr krku kroc krod krof krok kroo kror krrc krrf krrk krro krrr krrt krtc krtk krto krtr kruc kruf kruk krur ktcc ktck ktco ktcr ktdc ktdd ktdf ktdk ktdo ktdr ktfc ktfo ktkc ktkk ktko ktkr ktkt ktku ktoc ktok ktoo ktor ktot ktrc ktrf ktrk ktro ktrr ktrt ktru kttc kttf kttk ktto kttr kttt kttu ktuc ktuf kucc kucd kuco kucr kudd kudo kudu kufc kuff kufo kufr kukk kuku kuok kuoo kurd kurk kuro kurr kurt kuru kutf kuto kutr kutt kutu kuuk kuur kuuu occc occt ocro ocrr oct- octo ocur oddd odoo odor odot odou odtu odur ofcr ofdr off- offc offo offr offu ofor okcu okko okok