Letters that make typesetter's case
s, a, e, p, c, r, t, y are letters that make 'typesetter's case'
Words within typesetter's case
sett, ER, type, pes, pe, te, SE, typeset, Set, ESE, TT, set, as, case, setter, AS, CA, typesetter, As, Ca, Es, Er, Se, Te are words within 'typesetter's case'