Changes

''ll'' (double L) - sounds like a hissed "tl"

"w" - this is a vowel in Welsh! Something between ''o'' and ''u''

''c'' - always ''k'' (not ''s'')

''f'' - sounds like ''v'' (''ff'' is an ''f'')

''dd'' - sounds like ''th'' in "the"

''u'' - sounds like ''i'' in ''hitch''