| Text | Length |
| M.I.T. grad: Abbr. | 18 |
| M.I.T. grads | 12 |
| M.I.T. grads: Abbr. | 19 |
| M.I.T. graduate | 15 |
| M.I.T. is one | 13 |
| M.I.T. or N.Y.U. | 16 |
| M.I.T. or R.P.I. | 16 |
| M.I.T. part: Abbr. | 18 |
| M.I.T. rooms | 12 |
| M.I.T. specialty | 16 |
| M.I.T., e.g. | 12 |
| M.I.T., for example | 19 |
| M.I.T., for one | 15 |
| M.J. scored here | 16 |
| M.L.K. and others | 17 |
| M.L.K. Day month | 16 |
| M.L.K. honor, 1964 | 18 |
| M.L.K. honorific | 16 |
| M.L.K. Jr., e.g. | 16 |
| M.L.K. Jr., for one | 19 |
| M.L.K. title | 12 |
| M.M.A. decision | 15 |
| M.O.M.A. display | 16 |
| M.P.'s captive | 18 |
| M.P.'s concern | 18 |
| M.P.'s cry | 14 |
| M.P.'s prey | 15 |
| M.P.'s prize | 16 |
| M.P.'s quarry | 17 |
| M.P.'s target | 17 |
| M.P.A.A.-approved | 17 |
| M.P.G. determiners | 18 |
| M.P.G. watcher | 14 |
| M.P.G.-rating org. | 18 |
| M.P.H. at sea | 13 |
| M.p.h. or r.p.m. | 16 |
| M.p.h., e.g. | 12 |
| M.R.E. eaters | 13 |
| M.R.I. display | 14 |
| M.R.I. examinations | 19 |
| M.R.I., maybe | 13 |
| M.S. in Biology? | 16 |
| M.S. or D.D. | 12 |
| M.S. prerequisite | 17 |
| M.Sc. or Ph.D. | 14 |
| M.Sgt. and others | 17 |
| M.Sgt. and T.Sgt. | 17 |
| M.Sgt., e.g. | 12 |
| M.Sgt., for one | 15 |
| M.T.A. employee | 15 |
| M.T.A. fleet | 12 |
| M.Weir misfire | 14 |
| M.Y.O.B. part | 13 |
| M/F determination | 17 |
| M16 attachment | 14 |
| M20 rocket launcher | 19 |
| M4 alternatives | 15 |
| M?R connection | 14 |
| Ma & Pa of film | 19 |
| Ma and others | 13 |
| Ma and Pa of films | 18 |
| Ma and Pa of movies | 19 |
| Ma and Pa ___ | 13 |
| MA and PA, e.g. | 15 |
| Ma Bell client | 14 |
| Ma Bell purchaser | 17 |
| Ma Bell's boy | 17 |
| Ma Bell's code | 18 |
| Ma has a bow for it | 19 |
| Ma holds one | 12 |
| Ma Joad was one | 15 |
| Ma Kettle portrayer | 19 |
| Ma or Casals | 12 |
| Ma or Pa Joad | 13 |
| Ma or Pa of movies | 18 |
| Ma plays it well | 16 |
| Ma plays with them | 18 |
| Ma practices it | 15 |
| Ma that says baa | 16 |
| Ma the musician | 15 |
| Ma with a baa | 13 |
| Ma with a bow | 13 |
| Ma with a cello | 15 |
| Ma ___ Kettle | 13 |
| Ma'am or dam | 16 |
| Ma'am to a lamb | 19 |
| Ma's charges | 16 |
| Ma's forte | 14 |
| Ma's instrument | 19 |
| Ma's need | 13 |
| Ma's specialty | 18 |
| Ma's toy? | 13 |
| Ma(n) with a bow | 16 |
| Ma, for example | 15 |
| MA-to-PA heading | 16 |
| Maa ma'am? | 14 |
| Maa-saying ma | 13 |
| Maaing mamas | 12 |
| Maalox alternative | 18 |
| Maalox competitor | 17 |
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