loock lorch lorck loruk louch louro luchu lucko lucur lukho lukko lukok lukou luluc lulul lurch lurck occur ochl- ochro ockro ocllo ocul- oculo oh-oh oh-ok ohchr ohour okcho okkur okoc okoho okoro okuku okuru ollur olour ooooh ooooo orlok oroch oroco orolu oruch oruku oruro oucho oullo ouoro ourol r-co- rcolo ro-ro rocco rocko rocor rocou rohru rokkk rollc rollo rolok rookh rouch rouko roulk roull rucul rullo uchku uchuu uh-oh uh-uh uhhoh uhhuh uhuru ullur ulock ululu uluru urour urucu uuork uuuuu

chlor- chloro chocho cholo- chooch chorku chorlu choro- chorol chorro chorul chorur chucho chuchu chukku chukor chukur chullo chuluo chuluu chuo church churro churuk churul clooch clouch cocco- cococo cocolo cocool collo- collor color- colour coocoo cookoo coolor corolu corour coruco coruro coulor coulro coulur courol courr- crocco crochu crooch crouch cruro- cuckoo curour curror cururo h-hour hkcccc hochul hocooh hocour hohloh hohoho hok-lo holhol holloo holoku holoor holour hoohoo hookor hooroo hororo horror huh-uh hukkok hullok hulloo hullur hulock huluhu hurroo k-rock khocho khorlo khorol khoroo khoruk khuhro klocko klokoc klooch klucko kohoku kokkoh kokoku kokolo kokoro kolkuh kolluk kololo koluch kookoo korkor kororo koruru koukou kouloh koulou kouoro kourou kukoc kulhor kullur kulolo kuloor kululu kurkcu kurkul kuroch kuroko kurukh kururu l-hour lloro locock lohoch lohock lokrur loloru looloo loukou loulou lourlo luchko lukulu lurulu o-hook occour ocho ochro- oclock oculo- ohcool ohlook ohohoh okollo olluco oluklu oohooh ookroo oooooo oroluk orrho- orrock orrour rochor rococo rocolo rokkor rokuko rokuro rolock roucou ruhroh ruocco ruurlo uh-huh ukhrul ullock ulloor ulluco ullucu urkulu

ccullco chloro- chochol chocolo choho chorkor choruru choucho choulou chuchur chukchu chukuru chuloor churchk churchu chururu cochour cocullo colcock collock collour cooccur coolock corrour cou-cou crucolo cuchuco cucullo curlock currock curuklu hollock hoo-hoo hoolock hoolulu horlock horrour houlour hulchul hullock hullour hulluch hurrock khokhol klochko klokock kochkor kocho kokocko kokorou kolluru kolokol kor-kor korkoro korucuk kucuklu kulchur kulullu kur-kol kurculu looroll ooclock orokolo rococco rollkur rollock ruh-roh rullock uchuruk ur-cool

chokocho cholchol choochoo choroku chouchou chu-chou chuckoor co-occur cocoloch cocoroco colocolo coloroll corocoro coullour cro-hook cucurucu curucucu curukluk hococooh hokohoko holloch holloko holoholo horohoro kohukohu kolokolo kukukuku kukuruku kul-chor kurukuru locoroco okrouhlo oolooloo rokkurro roulroul uh-uh-uh

choo-choo chorrocho chuo-ku colo-colo coolcolor couroucou cucurucho khoroolol korukollu koukoulou koukourou loco-loco rockchuck roocoocoo ulkucu ulkuculuk

chuck-luck cluckcluck cuccurullo kouroukoro kukkurukuu rococococo

cuckooclock hookorcrook

cuckoo-clock hocochchcooh ooohooohoooh

ccccccccccccccc

hhhhhhhhhhhhhhhhhhhhh

hohohohohohohohohohohohohohohohohohohohoho