ve ▁thought ▁turned ▁up ▁in ▁English ▁manual s ▁all ▁that ▁often ." ▁" O i " ▁was ▁added ▁to ▁the ▁list ▁of ▁acceptable ▁words ▁in ▁US ▁Sc rab ble ▁in ▁ 2 0 0 6 . ▁ ▁In ▁other ▁languages ▁According ▁to ▁Friedrich ▁N iet z sche , ▁in ▁Greek , ▁" oi " ▁was ▁an ▁expression ▁of ▁pain , ▁and ▁someone ▁who ▁was ▁in ▁pain ▁or ▁miser able ▁was ▁said ▁to ▁be ▁" o iz u ros ". ▁In ▁Latin , ▁the ▁similar ▁" o iei " ▁was ▁a ▁cry ▁of ▁pain . ▁Co inc ident ally , ▁the ▁term ▁o i ▁( お い ) ▁in ▁inform al ▁Japanese ▁is ▁used ▁in ▁the ▁same ▁way ▁as ▁British ▁English , ▁typically ▁by ▁older ▁men ▁to ▁sub ordinates ; ▁an ▁el ong ated ▁ ō i ▁is ▁used ▁when ▁someone ▁is ▁at ▁a ▁distance . ▁▁ ▁Also , ▁in ▁Portuguese , ▁" oi !" ▁ ▁means ▁" hi " ▁- ▁mostly ▁in ▁Brazil , ▁as ▁people ▁in ▁Portugal ▁use ▁" ol á ▁" ▁instead , ▁still , ▁under ▁the ▁exclus ively ▁Brazil ian ▁usage , ▁the ▁inter rog ative ▁" oi ?" ▁can ▁be ▁used ▁in ▁the ▁sense ▁of ▁" ex c use ▁me ?" ▁and ▁" what ▁did ▁you ▁say ? ", ▁sometimes ▁showing ▁disapp ro val ▁or ▁dis bel ief ▁of ▁something ▁said ▁previously , ▁or ▁" yes ? ", ▁generally ▁when ▁answering ▁the ▁tele phone ▁or ▁inter com ▁( Port ug uese ▁people ▁usually ▁say ▁" est á ?" ▁on