Answer:
Grammar Guide
Word Meaning When to Use When Not to Use
pequeñito very small (diminutive) when expressing smallness (in size) or affection when expressing largeness or excessiveness
grandecito very large (diminutive) when expressing largeness or excessiveness when expressing smallness (in size) or affection
el niñito the little boy when expressing smallness (in size) or affection when expressing largeness or excessiveness
la chiquita the little girl when expressing smallness (in size) or affection when expressing largeness or excessiveness
perrito puppy when expressing smallness (in size) or affection when expressing largeness or excessiveness
escuelita little school
when expressing smallness (in size) or affection when expressing largeness or excessiveness
casita little house
when expressing smallness (in size) or affection when expressing largeness or excessiveness
la mesita the little table when expressing smallness (in size) or affection when expressing largeness or excessiveness