-form fomor form- forro forto fprot fromm froom froop froot ftrtt mmmmm moffo momot mooro mooto mormo morop moror morro moto- motor motto mrmom mroof mrorr mt-tf mt-tm mt-tp mt-tr mt-tt mtfmt mtoto offof offto ofoto ofpop omoro omoto oompf ooooo opto- optot optto orfor oromo ortoo otomo ototo otpor ottom pforp po-po pomor poopo poort popop poppo poro- porro porto potof potom potoo potop potor potro potto proff proft promo promt proof proor proot prop- propp propr propt prot- proto prtor ptprf ptprm ptpro ptprr ptprt ro-ro rofor romfo rompo rompt rooft roto- rotor rotot rotto rprop rptor rtrfm t-pop t-top toffo tofop tofor tommo tomo- tomom tomor topo- topof topor topot toppo topto torpo torro torto toto- totoo totop tprot troff troft tromm tromp troop trop- tropo trott ttttt