You did not correctly punctuate this phrase, nor is the plural form of puppy correct.
It should read
Penny's puppies
The puppies belong to Penny, so that is why you add apostrophe and "s" to her name.
When you have a Y at the end of a noun, to make it plural, you change the Y to IE and then add S.
The possessive form for the irregular plural noun puppies is puppies'.example: This is the first litter for the puppies' mother.
puppies'
Puppies.* When making plurals of words that end in y, the y changes to i then add es.lady - ladies, baby - babies, gravy - gravies,
The possessive form of the plural noun puppies is puppies'.Example: The puppies' names are Fred and Ethel.
puppies'
Puppies, cities, fairies, and parties are the plural forms.
"Pence" is the plural of "Penny". One Penny, Two Pence Five Pence, etc.
The possessive form of the singular noun puppy is puppy's.The plural form of the noun puppy is puppies.The plural possessive form is puppies'.Examples:My puppy's name is Max.My puppies' names are Mickey and Minnie.
The plural form of "dog house" is "dog houses". In this case "dog" is an adjective describing the type of house and can not be plural. We are referring to several houses and not several dogs. Of course if the dog owned several houses then we could refer to the "dog's houses"
1200 pennys
On its own, puppies is simply a plural noun. Whether it is a subject, direct, or indirect object depends on how it is used in a given sentence. In this sentence "The puppies ran into the room," puppies is the subject. In "Joe played with the puppies" it is a direct object. In "Sam gave the puppies treats" it is an indirect object.
100 pennys if you save you it will be 100 dallors no pennys