ILL - Extremely bad (bad enough to make one ill). Generally used indirectly with to be.
LET - To allow to, not to prevent (+ infinitive, but usually without to).
LIE - To be in a horizontal position.
LIT - Little.
TIE - A necktie (item of clothing consisting of a strip of cloth tied around the neck).
TIL - Until, till.
TELL - To count, reckon, or enumerate.
TILE - A regularly-shaped slab of clay or other material, affixed to cover or decorate a surface, as in a roof-tile, glazed tile, stove tile, etc.
TILL - To.
TILT - To point or thrust a weapon at.
LILT - To do something rhythmically, with animation and quickness, usually of music.
LITE - Light in composition, notably low in fat, calories etc.:.
TITLE - A prefix (honorific) or suffix (post-nominal) added to a person's name to signify either veneration, official position or a professional or academic qualification.
LITTLE - Small in size.