Your question is not clear. What do you mean by "group words"?
Such words are called "conjunctions" - examples are .... and, but, if
Examples of short words beginning with 'e' are:eareatebbeeleggegoelfelkelmemuendeoneraerreveeweeye
give me the answer
Content words are words that give a sentence its meaning. Examples of content words include nouns, adjectives and verbs.
examples of root words
yes we can
anyoneboyfriendcampgrounddriftwoodfreestylegreenhousehairbrushmanholesunshinesomething
A conjunction joins words or groups of words in a sentence. Examples include "and," "but," and "or."
Baseball
bio technology
five examples of the same sound?
You will find some examples in the Wikipedia article on "Polish language".