Solutions :

Boggle I H C A R A A U S R T K O B H A

3-letter words (1 point): 49

AAH; AAS; ACH; AHA; AHI; AIR; AKA; ARB; ARS; ART; AUA; AUK; BOR; BOS; BRA; BRO; BRR; CAA; CAR; CAT; CHA; CHI; CUT; HAS; HAT; KAT; OBS; ORA; ORB; ORS; ORT; RAH; RAI; RAS; RAT; RIA; ROB; SAC; SAI; SAR; SAT; SOB; SRI; TAI; TAK; TAR; TAS; TAU; UTA.

4-letter words (1 point): 65

ACAI; AIRS; ARAK; ARAR; ARBS; ATUA; BHAT; BORA; BORS; BORT; BRAK; BRAS; BRAT; BROS; CAAS; CARB; CARR; CARS; CART; CAUK; CHAI; CHAR; CHAS; CHAT; CHIA; HAAR; HAIR; HAKA; HAKU; HARO; HART; HATH; HAUT; KAAS; KARA; KARO; KART; KATA; KHAT; KUTA; ORBS; ORRA; OSAR; RACA; RACH; RAKU; RATA; RATH; RATU; RIAS; ROBS; SAIR; SARI; SORA; SORB; SORT; TACH; TAHA; TAHR; TAKA; TARA; TARO; TARS; THRO; UTAS.

5-letter words (2 points): 43

ACARI; ARARS; ARHAT; ARRAH; ARRAS; BORAK; BORAS; BRAAI; BRACH; CARAT; CARBO; CARBS; CAROB; CARRS; CARTA; CHAIR; CHARA; CHARR; CHARS; CHART; CHIAS; CHIRR; HAARS; HAIRS; HAROS; HATHA; KACHA; KARAS; KARAT; KARRI; KATAS; KUTAS; ORACH; RATAS; RATHA; RIATA; SORRA; SORTA; TAHAS; TAHRS; TARAS; TAROS; THROB.

6-letter words (3 points): 16

ATHROB; BHAKTA; BRAATA; CARBOS; CAROBS; CARRAT; CARTAS; CHAIRS; CHARAS; CHARRO; CHARRS; CHARTA; CHIRRS; CUATRO; TARRAS; THROBS.

7-letter words (7 points): 7

BHAKTAS; BRACHIA; CATARRH; CHARROS; CHARTAS; CUATROS; RASBORA.