5 letters

• eater,
• teera,
• reate,
• ratee,
• arete,
• teare.

4 letters

• tear,
• eter,
• rete,
• tree,
• tare,
• etre,
• tera,
• taee,
• rate.

3 letters

• ate,
• ere,
• eta,
• ear,
• art,
• tea,
• era,
• ret,
• eat,
• tar,
• rat,
• are,
• ert,
• ter,
• tee.