go-go go-oo go-op go-to gogro gomor gompo gomtu gomur goout gopro gorgo gotoo gotop gotor gotto gotup gotur grgur grogg gromo groom groop groot gropp grott group grout grrrr grumo grump gruut gtrot gummo gumpu gumup guroo gurro gurum gurur mmmmm mogpo momot moogo mooro mooto mopup mormo morop moror morou morro morum morup morut moto- motor motru motto mottu mrmom mrorr mt-tg mt-tm mt-tp mt-tr mt-tt mtgor mtoto mugup mugur mummu muppu murgo murom muror murot murro murru murum murup murut muto- mutum mutuo muuto ogogo ogugu omoro omoto omout omupo ooooo oppum opto- optot optto opump ormur oromo orout orrgo orrum ortoo oruro orutu otomo ototo otour otpor ottom ottur ouoro outgo outro outto po-po pomor pompu pomum poopo poort popop poppo popup porgo poro- porog porro porto portu porum porur potom potoo potop potor potro potto pottu progg promo promt proor proot prop- propp propr propt prot- proto prout prtor ptprg ptprm ptpro ptprr ptprt ptpru pugot puppo purmo puro- purum putor putt- putto puttu putuo putup rmutt ro-ro rompo rompt rompu roomu roto- rotor rotot rotto roumm routt rprop rptor rummo rummu rumor rumpo rumpt ruomu rutog ruutu t-pop t-top tgttm to-go togou togup tommo tomo- tomom tomor topo- topog topor topot toppo topto topup torgo torog torpo torro torto tortu toto- totoo totop totum totup tougu touro tprot tromm tromp troop trop- tropo trott troum troup trout trugg trugo trump trupt truro ttttt tu-mo tugou tummo tumor tumut tuomo tuotu tupou turgo turot turro turtu turup turut tutor tutto tuuru u-pop ugro- ugrug umour upput uptop urgut urour urutu utro- utrop utror utrum uttur uturu ututo uuuuu