Letter on position 1 (w) changed: 10 words bailing failing hailing jailing mailing nailing railing sailing tailing vailing Letter on position 2 (a) changed: 1 word whiling Letter on position 3 (i) changed: 4 words walling warling wauling wawling Letter on position 4 (l) changed: 5 words waifing waining wairing waiting waiving