R1
Last Vowel: 하
Has 받침
Stays the same
R1
Last Vowel: 하
No 받침
Change to 해
R2
Last Vowel: ㅏ / ㅗ
Has 받침
Add 아
R2
Last Vowel: ㅏ / ㅗ
No 받침
Overlay ㅏ
R3
Last Vowel: ㅣ
Has 받침
Add 어
R3
Last Vowel: ㅣ
No 받침
Change to ㅕ
R4
Last Vowel: ㅓ / ㅐ / ㅔ / ㅜ
Has 받침
Add 어
R4
Last Vowel: ㅓ / ㅐ / ㅔ / ㅜ
No 받침
Overlay ㅓ
R5
Last Vowel: 하
Has 받침
Add 어
R5
Last Vowel: 하
No 받침
Change final vowel to ㅓ
R5
Rule Exception
If prior character has ㅏ / ㅗ, change final vowel toㅏ