c-cd cccc cccf ccci ccdc ccdf ccdi ccdr cced ccee ccfc ccfd ccff ccfi ccic ccid ccii ccir ccoc ccod ccrc ccre ccrf ccri ccrt cctc cctt cd-e cd-r cddr cdec cdef cder cdfe cdic cdii cdio cdot cdre cec- cece ceci ceco cect cedd cede cedi cedo cedt ceec cef- cefc ceor cer- cerc cerd cere cerf ceri cero cert cet- cete ceti ceto cfcf cfco cffr cfit cfor cfre cfrt cftc cfte cftr cicc cici cico cicr cict cidc cide cidi cidr cidt ciee cier cife ciff ciid ciii ciit cior circ cire ciri ciro cirr cirt cite citf citi cito citt coce coco coct codd code codi coed cofc cofe coff cofi coft coif coir coit cood coof coot cor- corc cord core corf cori coro corr cort cotc cote coti coto cott crcc crce crcr crdc cre- crec cred cree crei creo cret crfc cric crie crif crit croc crod croe croo cror crot crrt crtc crtf ctcf ctec ctfc ctfo ctic ctor ctot ctrc dccc dcci dcct dcfc dcii dcio dctc dddd ddie ddoc ddot ddrc ddre dec- decc decd dece deci deco dect dedd dede dedi dedo deed deef deer deet defe deff defi defo deft deid deie deif deir deit deor der- derc dere derf deri dero derr dete deto detr dfcc dfco dfdt dfer dfoe dfrf dfri dftr dice dici dico dict dide didi dido died dief dier diet dif- diff diii dioc dior diot dird dire dirr dirt dite diti dito ditt doce doci doco doct dod- dodd dode dodi dodo doer doff doid doit dood doof door doot dorc dord dore dorf dori doro dorr dort dotd dote doti doto dott dred dree dref drei dret drfc dric drie drif drit drod drof drot dtcc dted dtfc dtor dtot eccc ecce ecci ecco ecct ecdc ecdf eced ecef ecfc ecfr ecit eco- ecod ecot ecrc ecrf ecri ecrr ect- ectc ectf ecto eddc edde eddi eddo ede- edei eder edie edif edit edoc edod eede eeee eefe eeoc eerc eero eetc eete efco efeo efet effi efic efit efor eft- eico eid- eide eidi eido eidr eiec eied eiei eier eird eire eitc eiti eito eitr eocd eode eoir eore eori eotc eotd eoto ercc erce erde erdf erdi erec ered erei erer eret erfc erft eric erie erio erit eroc erod eroe eroi eroo errc erre erro etcc etco etec etee eter etfc etfe etic etio etoe etre etro ette etti etto fccf fcic fcii fcot fcto fdic fdoc fdot fdtc fdti fece fect fede fedi feed feer feet fefc fefe feff fefi fefo feid feie feio feir feit feod feof ferc ferd fere fero ferr fert fete feti fetr fett ffcc ffee ffff ffii ffrr fftf ficc fice fico fict fidc fide fidf fido fiec fief fier fifc fife fiff fifi fifo fift fiii fioe fior fire fitc fite fiti fitt foce foci foco fode foed foer fofo foid foie food foof foot for- ford fore fori foro forr fort fote foti foto fott frcc fred free frei freo fret frfc fric frid frie frio frit froe frot ft-c ftcd ftdi fter ftfc ftii iccc iccf icci icco iccr icct icdc icdd icde icec iced icee icef icer icet icoc icod icor icrc icre icrf icrr icrt idce idcr iddo idec ided idee idef ideo ider idfc idic idid idie idio idir idoc idrc idre idrf idro iecc iedr ieet ieie ieio iere ieri ietf iett ifcd ifco ifer ific ifid ifit ifor ifrf ifri ifto iicd iide iied iiie iiii iiio iiit iioi iioo iirc iitr iitt ioci iod- iodd iode iodo ioee iofc ioii ioio ioit ioof iooi iooo iore iori iote iotf ioto ircc ircd irdc irdo ired iree irer irfe iri- iric irid irie irio iroc irod irrc irre irri irte irtf irti itdo itec iter itet itic itie itif itof itoi itoo itor itrf itri ittf itto o-eo occc occi occt oce oced ocee ocef ocet ocre ocro ocrr oct- octe octi octo odci oddd oddi oded odei odeo oder odet odic odie odio odir odoo odor odot oec- oecc oedo oeec oeid oere oeti ofcr ofdr ofer off- offc offe offo offr ofid ofit ofor ofre oici oido oier oiii oire oirt oitc oiti oocr oodi ooer ooff ooid oooo oord oore oort orce orci orco orde ordo ore- orec ored oreo orer orfe orff orfi ori- oric orid orie orif orio orit oro- oroe orof oror orot orri orro ortc orte orto otcd oted otee oter otfc otic otif otit oto- otoe otof otoo otor otre otro otte otti otto rccc rcdc rcde rcet rcfc rcic rcid rcrd rctc rcti rder rdio rdoc recc recd rece reci recr rect redc redd rede redi redo redr reed reef reet refd refe reff refi refr reft reid reif reii reir reit reod reof reot rerd rere reri rero rert retd rete reti reto retr rett rfdi rfef rffc rfic rfid rftc ricc rice rico rict ridc ridd ride ridi rido ried rief rier riet rife riff rift riif riot rire riri rite riti rito ritt rocc roce roco rodd rode rodi rodo roed roer roet rofc rofe roff rofo roid roif roio roir roit rood roof rooi roor root rorc rore rori roro rort rotc rote roti roto rotr rott rred rrfc rrif rrrr rtcc rtce rtdt rtee rtei rtfc tccc tcdd tcfc tctc tdff tdor tdri teco tecr tect tedd tede tedi teec teed teef teer teet tefc teff tefi teft teic teie teir teor ter- terc tere terf teri tero terr tete teti teto tetr tett tfdc tfec tfot tftc ticc tice tico tidc tidd tide tie- tied tiee tief tiei tieo tier tiet tiff tifo tift tiit tird tire tiri tiro tirr titc tite titi tito titt toce toci toco todd tode todi todo todt toed toee toei toer toet toff tofi tofo toft toid toie toit tood toof toor toot torc tord tore torf tori toro torr tort totc