allude to, blurt, blurt out, call attention to, comment, drag in, ease in, edge in, exclaim, fill in, foist in, fudge in, implant in, infuse, inject, inject in, inoculate, insert, insert in, insinuate, insinuate in, intercalate, interjaculate, interpolate, interpose, interrupt, intervene, introduce, introduce in, intromit, intrude, let drop, let fall, lug in, make reference to, mention, muse, note, observe, opine, perfuse, pop in, put between, put in, refer to, reflect, remark, run in, sandwich, set in, slip in, smuggle in, speak, squeeze in, stick in, throw in, thrust in, tuck in, wedge in, whip in, work in, worm in