These are the 9 Basic Pairs in the Pick 4 Game (I will explain why in a report I will put out soon). They are a combination of the low digits (012) and high digits (789).
07, 08, 09, 17, 18, 19, 27, 28, 29
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This is a PEN and PAPER System…just remove pairs until there is one left. Using New York as an example:

5078 Removes Pairs 07 and 08
09, 17, 18, 19, 27, 28, 29
2837 Removes Pairs 27 and 28
09, 17, 18, 19, 29
0497 Removes Pair 09
17, 18, 19, 29
3829 Removes Pair 29
17, 18, 19,
7168 Removes Pair 17 and 18
19
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Use this program to get the playlist for any pair:


Let’s see what hits in the next 1 to 6 drawings.
28 Singles
0129 0139 0149 0159 0169 0179 0189 1239 1249 1259 1269 1279 1289 1349 1359 1369 1379 1389 1459 1469 1479 1489 1569 1579 1589 1679 1689 1789
24 Doubles
0019 0119 0199 1129 1139 1149 1159 1169 1179 1189 1229 1299 1339 1399 1449 1499 1559 1599 1669 1699 1779 1799 1889 1899
1 Double-Double
1199
2 Triples
1119 1999
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Pair Playlist-4
The Playlist for Pair 08
0008 0018 0028 0038 0048 0058 0068 0078 0088 0089 0118 0128 0138 0148 0158 0168 0178 0188 0189 0228 0238 0248 0258 0268 0278 0288 0289 0338 0348 0358 0368 0378 0388 0389 0448 0458 0468 0478 0488 0489 0558 0568 0578 0588 0589 0668 0678 0688 0689 0778 0788 0789 0888 0889 0899 (55)
28 Singles
0128 0138 0148 0158 0168 0178 0189 0238 0248 0258 0268 0278 0289 0348 0358 0368 0378 0389 0458 0468 0478 0489 0568 0578 0589 0678 0689 0789
24 Doubles
0018 0028 0038 0048 0058 0068 0078 0089 0118 0188 0228 0288 0338 0388 0448 0488 0558 0588 0668 0688 0778 0788 0889 0899
1 Double-Double
0088
2 Triples
0008 0888
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Pair Playlist-4
The Playlist for Pair 07
0007 0017 0027 0037 0047 0057 0067 0077 0078 0079 0117 0127 0137 0147 0157 0167 0177 0178 0179 0227 0237 0247 0257 0267 0277 0278 0279 0337 0347 0357 0367 0377 0378 0379 0447 0457 0467 0477 0478 0479 0557 0567 0577 0578 0579 0667 0677 0678 0679 0777 0778 0779 0788 0789 0799 (55)
28 Singles
0127 0137 0147 0157 0167 0178 0179 0237 0247 0257 0267 0278 0279 0347 0357 0367 0378 0379 0457 0467 0478 0479 0567 0578 0579 0678 0679 0789
24 Doubles
0017 0027 0037 0047 0057 0067 0078 0079 0117 0177 0227 0277 0337 0377 0447 0477 0557 0577 0667 0677 0778 0779 0788 0799
1 Double-Double
0077
2 Triples
0007 0777
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Pair Playlist-4
The Playlist for Pair 19
0019 0119 0129 0139 0149 0159 0169 0179 0189 0199 1119 1129 1139 1149 1159 1169 1179 1189 1199 1229 1239 1249 1259 1269 1279 1289 1299 1339 1349 1359 1369 1379 1389 1399 1449 1459 1469 1479 1489 1499 1559 1569 1579 1589 1599 1669 1679 1689 1699 1779 1789 1799 1889 1899 1999 (55)
28 Singles
0129 0139 0149 0159 0169 0179 0189 1239 1249 1259 1269 1279 1289 1349 1359 1369 1379 1389 1459 1469 1479 1489 1569 1579 1589 1679 1689 1789
24 Doubles
0019 0119 0199 1129 1139 1149 1159 1169 1179 1189 1229 1299 1339 1399 1449 1499 1559 1599 1669 1699 1779 1799 1889 1899
1 Double-Double
1199
2 Triples
1119 1999