26 possible answers to
Answers with 3 characters: AZO ETH OXO OXY EKA TOL TRI Answers with 4 characters: AMID AMIN PHEN ASYM FLUO SILA Answers with 5 characters: ACETO PETRO AMIDO BENZO GLYCO METHO OXA-2 SODIO Answers with 6 characters: ACI-27 AMMONO FLUORO STEREO Answers with 7 characters: PHENO-7