[IMHE] "In my humble experience"

[IMHO] "In my humble opinion", or "in my honest opinion"

[IMHPO] "In my humble public opinion", used by public accounts (accounts […]

[IMNSHO] "In my not so humble opinion", as opposed to IMHO […]

[IMO] "In my opinion"

[impose on] {v.} To try to get more from (a person […]

[improve on] or [improve upon] {v.} To make or get one […]

[in] or [into orbit] {adj. phr.} Thrilled; exuberantly happy; in very […]

[in] or [into the clear] {adj. phr.} Free; cleared of all […]

[in] or [into the doldrums] {adj. phr.} Inactive; sluggish; depressed. * […]