c-cd cccc cccf cccv ccdc ccdf ccdr cced ccee ccfc ccfd ccff ccoc ccod ccrc ccre ccrf ccvo cd-e cd-r cddr cdec cdef cder cdfe cdre cdvd cec- cece ceco cedd cede cedo ceec cef- cefc ceor cer- cerc cerd cere cerf cero cevo cfcf cfco cffr cfor cfre coce coco codd code coed cofc cofe coff cood coof cor- corc cord core corf coro corr cove covo crcc crce crcr crdc cre- crec cred cree creo crfc croc crod croe croo cror cvcc cver cvfr cvrd cvrr dccc dccv dcfc dcvd dddd ddoc ddrc ddre dec- decc decd dece deco dedd dede dedo deed deef deer deev defe deff defo deor der- derc dere derf dero derr derv deve devo dfcc dfco dfer dfoe dfrf doce doco dod- dodd dode dodo doer doff dood doof door dorc dord dore dorf doro dorr dove dred dree dref drev drfc drod drof dvdr dvfr dvor eccc ecce ecco ecdc ecdf eced ecef ecfc ecfr eco- ecod ecrc ecrf ecrr ecrv eddc edde eddo ede- eder edoc edod edve eede eeee eefe eeoc eerc eero efco efeo efor eocd eode eore ercc erce erde erdf erec ered erer erev erfc eroc erod eroe eroo errc erre erro erve ever evoe evoo evre fccf fdoc fece fede feed feer fefc fefe feff fefo feod feof ferc ferd fere fero ferr ferv feve fevr ffcc ffee ffff ffrr foce foco fode foed foer fofo food foof for- ford fore foro forr fove fr-v frcc fred free freo frfc froe o-eo occc oce oced ocee ocef ocre ocro ocrr oddd oded odeo oder odoo odor oec- oecc oedo oeec oere ofcr ofdr ofer off- offc offe offo offr ofor ofre oocr ooer ooff oooo oord oore orce orco orde ordo ore- orec ored oreo orer orfe orff oro- oroe orof oror orro orve orvr ovde ovee over ovo- ovod ovoo ovre rccc rcdc rcde rcfc rcrd rcvr rder rdev rdoc recc recd rece recr redc redd rede redo redr reed reef reev refd refe reff refr reod reof rerd rere rero revd reve revo rfef rffc rocc roce roco rodd rode rodo roed roer roev rofc rofe roff rofo rood roof roor rorc rore roro rove rovo rred rrfc rrrr rv-c rved rver vdcc vdec vder vdre vecc vedc vede vedo veer veor ver- verd vere vero veve vevo vfcc vfor voce vode vodo voer voff vofr vooc voor vor- vord vore voro vred vref vreo vroc vver vvvv