h-hour hnrnpr hohhot hohoho honnor honor- honour honton hoohoo hoopoo hooroo hooton hop-up hopnpp hopout hopton horonu hororo horror horton hortor hotnot hotoro hotpot hotton hottot houton houtou htruth huh-uh huhhot hunnur hunton hurroo hurth huthur huthut hutton n-toon non-no non-op nonhot nonono nonoon nonpro noonoo noonor noonto norton notho- nothot notour notout notron notton nottoo noturn nounou ntuntu nuh-uh nunton nupont nurpur nurton ohnono ohohoh ohpooh ohtoto onhuno ontour onupto oohooh oooooo oporto optoro optout oroton orphon orrho- orrour ortho- ottoor ouroun ourton outour output outrun outrup outtop outtro phono- phonon phoro- photo- photon phthor ponnur ponton pontru poopoo pop-up popopo poporo popout poppop poptop porno- porron porton potron potton pottop poupon poupou pouron pppppp pronto proph- propho propup propur proto- proton prutot punpun pupput pupton purnor purpur purton put-on put-up puthur putour putout putput puttoo puttur ronnon ronron rooton rootup rothun rotour rotout rotrou rotton rounou routot ruhroh run-on run-up runout runton ruptor rurutu rutour thonon thonor thoppu thornn thoro- thoron thorup thourt thouth throop throut thrupp thunor to-on to-put tohoro ton-up tonono tonoro tonour tonpon tonton toohot tootoo top-up toporu topout toppop topton tornup tororo toroth torpor tortor tortou tot-up totnor totopo totoro totrot touhou touron tourou touton toutou toutuo tronoh tronto troph- tropo- troppo trotro truont tuotuo tupton turnon turnor turnto turnup turron turton turtur tururu tutour tutton tuttut u-turn uh-huh unh-uh unhoop unhunh unhurt unprop unroot unruth untorn unturn unu-op up-put uponon uponor uppoor upprop uproot uptono uptorn upturn urturn uruppu uthorn utnoor utouth utroor