Deleting the unwanted data based on condition

hi
i have my input data like this

aaa bbb ccc
asa dff nmj
mnj saa dff
oik
aax cdx saa 
oik
asq sdf dss

i want my output file to be like this

mnj saa dff  oik
aax cdx saa oik

i want to retain only those lines which will have oik just below them and i want oik to be as next column to those lines in the output file

awk '$0=="oik"{print p,$0}{p=$0;}' filename