addax admix affix annex beaux bemix bolix borax calix calyx carex choux cimex codex comix culex cylix desex detox dewax embox enfix fedex forex galax hapax helix hyrax immix index infix kylix latex limax linux lurex malax mirex murex panax phlox podex pyrex radix redox redux refix relax remex remix retax rewax salix silex sorex telex unbox unfix unmix unsex untax varix vibex vitex xerox