23 words of 3 letters (1 points):DID; DIE; DIP; ERE; ERN; ETH; IRE; NTH; PEE; PER; PET; PIE; PIR; PRE; REE; REI; REP; RET; REX; RID; RIP; TEE; TEX.

23 words of 4 letters (1 points):DIET; DIRE; DIRT; DREE; DRIP; IRID; PEER; PERE; PERI; PERN; PERT; PIER; PIET; PIRN; PREE; PREX; RETE; RIPE; TEER; TERN; TREE; TRIE; TRIP.

7 words of 5 letters (2 points):DIDIE; PETER; PETRE; PIERT; TEIID; TEPID; TRIPE.

4 words of 6 letters (3 points):DIETER; EXTERN; PIERID; TREPID.