My knee-jerk reaction is to use two L's for all those words, but years of spell-check have beaten that habit out of me. Now I think two L's but type one. Two L's seems . . . er, righter, though.
One battle I don't intend to let spell-check win, though, is dialogue, prologue, and epilogue.
-o-
Here's one: "ahold" or "a hold"?