spanish stem changing verbs

cerrar e-ie

to close 

empezar e-ie

to begin

entender e-ie

to understand

preferir e-ie

to prefer

querer e-ie

to want

almorzar o-ue

to have lunch

costar o-ue

to cost

dormir o-ue

to sleep

encontrar o-ue

to find

poder o-ue

to be able to

repetir e-i

to repeat

servir e-i

to serve

pensar e-ie

to think

volver o-ue

to ask for

pedir

to ask for

tener e-ie

to have

venir e-ie

to come

decir e-i

to say

seguir e-i

to follow