11 - kaf
כ can be pronounced either /k/ or /ch/.
In vocalized texts, כּ (with dagesh) is /k/
while כ (with no dagesh) is /ch/.
When it is the first letter of the word, כ is pronounced /k/:
כן (yes)
In the middle of a word it may be either /k/ or /ch/:
שכן (neighbor)
סוכר (sugar)
Next
א
ב
ג
ד
ה
ו
ז
ח
ט
י
כ
ך
ל
מ
ם
נ
ן
ס
ע
פ
ף
צ
ץ
ק
ר
ש
ת