Unscramble Rsts

What is the meaning of word rsts unscrambled?

What 4 letter words can be made from letters R S T S:

Make more words by adding or removing letters

How many 3 letter words can you make from letters R S T S?

1. RSS - Definition of RSS

2. TSS - Definition of TSS

Which 3 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling sts
2) Removing the letter S and unscrambling rts
3) Removing the letter T and unscrambling rss
4) Removing the letter S and unscrambling rst

More anagrams containing the letters R S T S
rtss srst trss stsr