Here are more short rhymes for spells, this time those for the first level cleric.
Cause Fear
Thy weakened will is torn away. Flee, you coward, without delay.
Cause Light Wounds
Come black shadows, the sun descends. Embrace the darkness without end.
Cure Light Wounds
Let holy light hold back death. Mend the wounds and calm the breath.
Darkness
Ebon cloak of obscurity Descend on eyes that none may see.
Detect Evil
Now I pray my eyes to see Any evil threats to me.
Detect Magic
Holy patron, if it's present Make magic incandescent.
Light
Eternal light that shines from high Illuminate as bright as sky.
Protection from Evil
Within this circle I am secure. Summoned evil must abjure.
Purify Food and Water
Banish all impurity. This food and drink will nourish thee.
Remove Fear
Though fearsome shadows doth appear Our hearts are troubled not by fear.
Resist Cold
Let inner warmth be never lost. Resist the hands of chilly frost.
Update: see more Rhymes for Spells.