Here's what rhymes with ouoh.
                        
                        
                    
                                to  who  you  do  two  new  too  due  knew  du  u  coup  qu  shoe  zu  dew  lieu  shew  su  sue  tu  vous  chew  deux  fu  lu  rue  zoo  bu  hu  ju  jus  ku  loo  mu  nu  peu  pu  seu  shu  sou  vu  woo  yew  yu  boo  chou  chu  coo  cou  doo  ewe  feu  gu  ru  shou  thu  tue  vou  wou  wu  goo  moo  pooh  poo  shoo  gnu  roux  thew  whew  through  few  true  view  blue  drew  grew  que  crew  threw  blew  flew  q  anew  clue  cue  glue  hue  queue  cu  flue  slew  stew  adieu  ado  brew  flu  pew  thru  fue  hew  mieux  outdo  shrew  tzu  vue  clew  mew  slue  phew  achoo  into  pursue  screw  canoe  renew  undue  accrue  ensue  taboo  undo  piu  skew  tattoo  beaucoup  eschew  sprue  vnto  outgrew  redo  strew  halloo  spew  valuer  zebu  kazoo  wazoo  booboo  review  avenue  bamboo  debut  subdue  untrue  jusqu  overdue  revue  shampoo  sinew  askew  imbue  overdo  endue  foreknew  indue  muumuu  overshoe  regrew  atishoo  revenue  hitherto  overview  residue  withdrew  retinue  caribou  overthrew  kangaroo  ballyhoo  cockatoo  honeydew  bugaboo  fondue  marabou  peekaboo  bestrew  buckaroo  overflew  prevue  overdrew  overgrew  interview  rendezvous  construe  superglue  barbecue  hullabaloo  barbeque  misconstrue