Letters that make trips
s, p, r, t, i
are letters that make 'trips'
Words within trips
IP, PS, rip, RI, rips, trip
are words within 'trips'
Anagrams of trips
spirt, sprit, stirp, strip
are anagrams of 'trips'
Words created by adding a letter to the beginning or end of trips
strips
is a word created by adding a letter to 'trips'