不審火fire of suspicious origin; suspected arson
Noun
火宅無常impermanent (like a burning house); mutable; uncertain
No-adjective
月月火水木金金seven-day workweek; working every day of the week; Mon-Mon-Tue-Wed-Thu-Fri-Fri
Expression
火水木Tuesday, Wednesday and Thursday
Noun
月火水木金weekday; Monday, Tuesday, Wednesday, Thursday and Friday
Noun