6-letter words with precisely 1,2, & 3 occurrences of three different letters

An open list of 42 words by marco_nj.

• allele 584295 20 was added by marco_nj and appears on 19 other lists
• anatta 584296 3 was added by marco_nj and appears on 2 other lists
• arrear 584297 5 was added by marco_nj and appears on 4 other lists
• bedded 584298 4 was added by marco_nj and appears on 3 other lists
• bettee 584299 3 was added by marco_nj and appears on 2 other lists
• cocoon 584300 37 was added by marco_nj and appears on 36 other lists
• doodad 584301 21 was added by marco_nj and appears on 20 other lists
• gaggee 584302 1 was added by marco_nj and appears on just this list
• googol 584303 37 was added by marco_nj and appears on 36 other lists
• hubbub 584304 59 was added by marco_nj and appears on 58 other lists
• hammam 584305 4 was added by marco_nj and appears on 3 other lists
• hummum 584306 2 was added by marco_nj and appears on 1 other list
• jettee 584307 1 was added by marco_nj and appears on just this list
• lessee 584308 11 was added by marco_nj and appears on 10 other lists
• lesses 584309 6 was added by marco_nj and appears on 5 other lists
• mammal 584310 14 was added by marco_nj and appears on 13 other lists
• mammee 584311 2 was added by marco_nj and appears on 1 other list
• mutuum 584312 3 was added by marco_nj and appears on 2 other lists
• pepper 584313 49 was added by marco_nj and appears on 48 other lists
• pippin 584314 12 was added by marco_nj and appears on 11 other lists
• powwow 584315 32 was added by marco_nj and appears on 31 other lists
• reeder 584316 3 was added by marco_nj and appears on 2 other lists
• reefer 584317 14 was added by marco_nj and appears on 13 other lists
• retree 584318 4 was added by marco_nj and appears on 3 other lists
• secess 584319 1 was added by marco_nj and appears on just this list
• sessle 584320 2 was added by marco_nj and appears on 1 other list
• settee 584321 24 was added by marco_nj and appears on 23 other lists
• tattoo 584322 31 was added by marco_nj and appears on 30 other lists
• teeter 584323 26 was added by marco_nj and appears on 25 other lists
• teethe 584324 3 was added by marco_nj and appears on 2 other lists
• testee 584325 3 was added by marco_nj and appears on 2 other lists
• tetter 584326 5 was added by marco_nj and appears on 4 other lists
• veerer 584327 2 was added by marco_nj and appears on 1 other list
• weeded 584328 3 was added by marco_nj and appears on 2 other lists
• seeded 584329 5 was added by mollusque and appears on 4 other lists
• banana 584330 73 was added by mollusque and appears on 72 other lists
• batata 584331 5 was added by mollusque and appears on 4 other lists
• terete 584332 12 was added by mollusque and appears on 11 other lists
• minimi 584333 2 was added by mollusque and appears on 1 other list
• bonobo 584334 25 was added by mollusque and appears on 24 other lists
• needed 584335 8 was added by marco_nj and appears on 7 other lists
• heeded 584336 2 was added by marco_nj and appears on 1 other list