So cat becomes kat, much like kitten. Cradle becomes kradle - the kats in the kradle and the silfer spoon.
Cease and Cede bekome Sease and Sede respektifely. Things are starting to look quite weird now, but the sounds of the spoken English language still seem to be adequately represented by the remaining konsonants. We're now down to sefenteen.
Konstellation Konsonants Part 5 - Q