| Text | Length |
| Off-the-cuff comment | 20 |
| Off-the-cuff remarks | 20 |
| Overdid the flattery | 20 |
| One in the majority? | 20 |
| Online pop-up source | 20 |
| Old Roman magistrate | 20 |
| Open-mouthed quintet | 20 |
| Of planes and flying | 20 |
| Over the hill, maybe | 20 |
| Off the beaten track | 20 |
| On the wrong side of | 20 |
| On the bad side (of) | 20 |
| One of the big seven | 20 |
| Old American leader? | 20 |
| One, for little ones | 20 |
| Onetime NASA booster | 20 |
| Ottoman title (Var.) | 20 |
| Ottoman Empire chief | 20 |
| Ottoman V.I.P.'s | 20 |
| Opposed, in Dogpatch | 20 |
| Opposed, in old West | 20 |
| Opposed to, slangily | 20 |
| Opposed to to Yokum | 20 |
| One stirring the pot | 20 |
| One of the de Milles | 20 |
| Old-time marketplace | 20 |
| Old gathering places | 20 |
| Olden meeting places | 20 |
| Old shopping centers | 20 |
| Opera with elephants | 20 |
| Opera set in Memphis | 20 |
| Opera laid in Africa | 20 |
| Opera by Verdi: 1871 | 20 |
| Opposite of hindered | 20 |
| Own, to Robert Burns | 20 |
| One putting on shows | 20 |
| Oscar night greeting | 20 |
| Ostentatious display | 20 |
| Ostentatious manners | 20 |
| One place to roll in | 20 |
| Open some, as a door | 20 |
| Other name indicator | 20 |
| Org. for toy sellers | 20 |
| Org. for cataloguers | 20 |
| One of the Gulf Sts. | 20 |
| One way to serve pie | 20 |
| Opposite of apterous | 20 |
| Outlawed apple spray | 20 |
| Orchard spray of old | 20 |
| One-time fruit spray | 20 |
| Old apple tree spray | 20 |
| Old-time word of woe | 20 |
| Oktoberfest beverage | 20 |
| Opposite of aweather | 20 |
| Opposite of windward | 20 |
| One of the Sox, e.g. | 20 |
| Of a northern people | 20 |
| Outwitter of thieves | 20 |
| Otherworldly visitor | 20 |
| One with a big head? | 20 |
| Outer space dwellers | 20 |
| Others, when listing | 20 |
| Others, in the Forum | 20 |
| Other guys, long ago | 20 |
| One way to be wanted | 20 |
| One praised in Mecca | 20 |
| Offers without proof | 20 |
| One on the same side | 20 |
| One working with you | 20 |
| One's old school | 20 |
| Ointment ingredients | 20 |
| One of the Dolomites | 20 |
| Of certain mountains | 20 |
| Omega's opposite | 20 |
| Old man, in Mannheim | 20 |
| One taking things in | 20 |
| One of the ex-Yalies | 20 |
| One of the Chipmunks | 20 |
| Org. founded in 1847 | 20 |
| Org. for life savers | 20 |
| Oriental maidservant | 20 |
| Oriental baby sitter | 20 |
| Oriental pram-pusher | 20 |
| Oriental baby tender | 20 |
| Olympians, generally | 20 |
| Orange-yellow shades | 20 |
| One-celled protozoan | 20 |
| Organism that splits | 20 |
| One-celled creatures | 20 |
| One-celled organisms | 20 |
| Ones with pseudopods | 20 |
| Of ___ to (inclined) | 20 |
| One with no memories | 20 |
| One way to have gone | 20 |
| On a wing ___ prayer | 20 |
| Other considerations | 20 |
| Op-artist of Marilyn | 20 |
| One of the Griffiths | 20 |
| One awaiting a catch | 20 |
| One with a bass line | 20 |
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