How to write instructions in my world buff

In my world, the speed BUFF command is: /effect @p speed 60 3 t, where the general formula is /effect @ p()60 3t. All the buff commands in the game are as follows:

1 speed

Step 2 be slow

3. Mining efficiency (rapid)

4. Excavation efficiency (excavation fatigue)

5, strength du (strength)

6, instant blood (instant health)

7. Immediate damage

8. Jump propulsion

9. disgusting

10, life recovery (regeneration)

1 1, defense (resistance)

12, fire resistance (fire resistance)

13, underwater breathing (underwater breathing)

14 stealth

15 blindness

16, night vision

17 Hunger

18 weakness

19, poisoning (poison)

20. wither

2 1, maximum life (increased life)

22, additional life (absorption)

23, Saturation (saturation)

Extended data:

Other instructions in the game are:

1, score giving & lt data name bai> [player name Du]?

Used to give players achievements. ?

2. Block data & ltx>& lty>& ltz>& lt data label?

Used to edit the data label of the specified coordinates. ?

3. Clear & lt Player Name, Goods and Data.

Empty the player's inventory column, or clear only specific items. ?

Difficulty & lt0 |1| 2 | 3 > ?

Change the difficulty of the game. 0 is peace, 1 is easy, 2 is ordinary, 3 is difficult,

5. Effect & lt Player Name is cleared.

Clear all effects of the player.