12 words of 3 letters (1 points):ERK; ERN; ERR; KEP; MEN; NEP; PEN; PER; PRE; REM; REN; REP.

15 words of 4 letters (1 points):ERNE; JERK; KEPT; KERN; MENT; NEMN; PENK; PENT; PERK; PERM; PERN; PERT; RENK; RENT; TREK.

2 words of 5 letters (2 points):KERNE; NEPER.

3 words of 6 letters (3 points):RENKER; REPENT; REPERK.