20 words of 3 letters (1 points):ETH; IRE; KEP; KET; MET; ORE; ORT; PER; PET; PRE; PRO; REI; REM; REO; REP; RET; ROE; ROT; TOE; TOR.

23 words of 4 letters (1 points):KEIR; KEMP; KERO; KETO; MERI; METH; PERI; PERM; PERT; PREM; RIEM; RIOT; RORE; RORT; ROTE; TEMP; TERM; TORE; TORI; TORT; TREK; TRET; TROT.

11 words of 5 letters (2 points):METRO; MPRET; ORMER; PRIER; PRIOR; PROEM; PRORE; REPRO; RETRO; RORIE; TROTH.

4 words of 6 letters (3 points):PRETOR; PROTEI; RETORT; RIOTER.