binbir biotin biotit birbir bitbit bittii bitüri bobbio bohhor bonbon bonobo borboh bornit briton büttin büttün hibrit hitiri hobbit hohori hophop horhop horhor horton hothot hünhün hüthüt ibobop iniini inirti intron iphoto irinti nitrin nitrit nitro- norito norton option otobit pinpin pinpon pirpir pirpit pithon pitpit pohpoh ponpon ponton pontür poroit potpot probit propin proton roboto roptri tinpir tintin tinton tipiti tiptip tipton tiroit tirpit tohtor tohtür tontin tonton topton toptop torino tornio tortop tortor totopo tribo- tribün triton tropin tünnüh türbin