4 letters:
maki, mapi, ma b, ma d, ma p, ma t, nabi, nagi, na b, na d, na p, na t

5 letters:
mabee, mabie, machi, maddy, mahdi, map e, map p, matty, mat t, ma be, ma de, ma di, ma te, ma ti, moggy, moppy, motty, nabil, naggy, nappi, nappy, natty, na be, na de, na di, na te, na ti, nobby, noddy

6 letters:
knacky, knaggy, knobby, knotty, macchi, mackey, mackie, mac he, maddie, mad he, maggie, map he, mattie, mat he, mob be, mob he, nap he, nattie, nod he, not he

7 letters:
knob he, knot he, mac key, matt he, notte e

8 letters:
knack he, knock he