7 letter words
BERRIES​9
6 letter words (5 words)
BRIERS​8
BREERS​8
BRERES​8
RERISE​6
SIRREE​6
5 letter words (18 words)
BEERS​7
RISER​5
SERRE​5
BRIER​7
BREES​7
BERES​7
RIBES​7
BRISE​7
BIRSE​7
SIREE​5
BREER​7
BIERS​7
BIRRS​7
BREIS​7
BRERE​7
BRERS​7
BRIES​7
SERER​5
4 letter words (24 words)
RISE​4
BEER​6
BEES​6
RIBS​6
SIRE​4
REES​4
SEER​4
REIS​4
BREE​6
BRIE​6
BIER​6
BIRR​6
REBS​6
ERES​4
BRIS​6
ERRS​4
IRES​4
BERE​6
SERR​4
SERE​4
3 letter words (19 words)
SEE​3
SIR​3
RES​3
SRI​3
BEE​5
SER​3
ERR​3
BIS​5
RIB​5
ERS​3
REI​3
IRE​3
SEI​3
REB​5
ERE​3
REE​3
SIB​5
BES​5
BRR​5
2 letter words (8 words)
IS​2
BE​4
RE​2
ES​2
SI​2
EE​2
ER​2
BI​4