Features Form
1s
1s→0s
1s→0p
2s
2s→0s
2s→0p
1p
1p→0s
1p→0p
21
21→0s
21→0p
2p
2p→0s
2p→0p
3s
3s→0s
3s→0p
3p
3p→0s
3p→0p
X→0s
X→0p