7 thru to 3 words is very simple,

All you have to do is in alphabetical order type a word with 7 letters then end up with a 3 letter word to end.

America [Any 7 letter word]
Ampere [Any 6 letter word]
Apple [Any 5 letter word]
Ahoy [Any 4 letter word]
Aim [Any 3 letter word]


Its that easy have a go at it just follow thru.


[B] is next

Basilio
Better
Bible
Book
Bet


C is next

Calomel
Caught
Carts
Camp
Cow

[D] is next

Dalgite
Dallas
Dicey
Dice
Dot

Eclipse
Energy
Eager
Each
Ear

footers
fatten
fairy
fire
far

Giggles
Golden
Glove
Good
God

Happens
Hidden
Hopes
Hugs
Hip

[I] is Next

Inherit
Island
Igloo
Ibis
Ice

jogging
jewish
joist
jack
jim

Kissing
Keeper
Kinky
Kilt
Kin

Labours
Lovers
Later
Long
Lit


[M]is next

Morning
Morale
Money
Mute
Mon


[ N ] is next

Natural
Native
Nests
Nice
Net

[O] is next

Offbeat
Office
Offer
Oven
Old


[ P ] is next

Pointer
Prissy
Paint
Pint
Pen

[Q] is next

Qualify
Quorum
Queen
Quad
Qua

[R] is next

Reasons
Ripped
Rhyme
Rust
Red

[S] is next

scatter
saliva
salty
scab
sod

Titties
Tables
Tramp
Time
Tab

[U] is next