Question Word Memorization Update (Esperanto-English)

Question Words I'm Good With
Kia - What kind of
Kie - Where
Cxu - Yes or no
Kiu - Who
Kion - Which
De kie - From where
Kio - What
Kies - Whose
Kiom - How much / How many
Kioma - What number

Question Words I'm Having Difficulty With
Kien - Where to (What direction)
Kiel - How
Kial - Why
Kiam - When