hhhhh ho-ho ho-oh hohos hoops hoors hoosh hoppo hopps horos horro hosho hosps hross oh-oh oh-so ohohs ooooh ooooo opoho oppos orosh oroso ososo ossos phos- phoss phrop po-po poohs poopo poops poors popop popos poppo poro- poros porro posho proor prop- propp propr props pros- prosh proso pross psor- ro-ro roops ropos rosso rosss rprop rrsps s-o-r shhhh shoop shoor shoos shops shoro shorr shors shosh shprh so-ho so-so sohos sopho sophs sopor soppo soror soros sorso soss- sphos spohr spoor spor- sporo spors sposh sposo ssssh sssss