lookup ChainedSingleSubst {
    substitute [one two] three A' by A.sc;
    substitute [B-D]' seven [eight nine] by [B.sc-D.sc];
} ChainedSingleSubst;

lookup ChainedMultipleSubst {
    substitute [A-C a-c] [D d] E c_t' V [W w] [X-Z x-z] by c t;
} ChainedMultipleSubst;

feature test {
    lookup ChainedSingleSubst;
    lookup ChainedMultipleSubst;
} test;