Solutions :

Boggle I N R Z N R A U P T E S F A O O

3-letter words (1 point): 67

AFT; ANI; ANN; APT; ARE; ART; ATE; AUE; EAN; EAR; EAS; EAT; EAU; ERA; ERN; ERR; ETA; FAE; FAP; FAT; INN; IRE; NAE; NAS; NAT; OAF; OAT; OES; OOS; OOT; OSE; PAT; PRE; RAN; RAS; RAT; REO; RES; RET; RIN; RUE; SAE; SAN; SAR; SAT; SAU; SAZ; SEA; SER; SET; SOT; SUE; SUR; TAE; TAN; TAO; TAP; TAR; TAS; TAU; TEA; TES; TOE; TOO; URN; USE; ZAS.

4-letter words (1 point): 63

AREA; ARES; ARET; ARPA; ASEA; ATAP; ATES; EARN; EAUS; ERAS; ETAS; FATE; INTO; IRES; NARE; OOSE; OSAR; PATE; PRAT; PRAU; RANI; RARE; RASE; RATA; RATE; RATO; REAN; REAP; REAR; REOS; RUER; RUES; RUSA; RUSE; SARI; SATE; SEAN; SEAR; SEAT; SERA; SERR; SETA; SOAP; SOOT; SUER; SUET; SURA; TAES; TAOS; TARE; TARN; TARP; TAUS; TEAR; TEAS; TERN; TOEA; TOES; TOSA; TOSE; TRES; TRIN; USER.

5-letter words (2 points): 45

AFTER; APRES; APTER; ARRET; AZURN; FATES; INTER; INTRA; IRATE; NARES; NARRE; NATES; OATER; PAEAN; PATER; PATES; PRASE; PRATE; PRAUS; PRESA; PRINT; RARES; RASER; RATER; RATES; RATOO; RATOS; REATA; RESAT; SARIN; SERIN; SERRA; SOOTE; SURAT; SURRA; TARES; TARRE; TASER; TERAS; TERRA; TOEAS; URARE; URARI; URASE; URATE.

6-letter words (3 points): 18

AFTOSA; ERRATA; INNATE; INTERN; NAUSEA; OSETRA; PAESAN; PATERA; PRATES; PTERIN; RATOOS; REATAS; SERRAN; TARRES; TERRAS; URANIN; URARES; URATES.

7-letter word (7 points): 1

PAESANI.