kkkk kkmk kkmo kkmr kkoo kkor kkoz kkrk kkro kkrr kkrz kkzz kmkk kmko kmkz kmmk kmmm kmmo kmmr kmmz kmok kmom kmor kmoz kmro kmrr kmzk kmzo kmzr kmzz kokk koko kokr kokz komo komr kook kooo koor kooz kork koro korr kozk kozo kozr krkk krko krkr krkz krmo krmr krok krom kroo kror kroz krrk krrm krro krrr krrz krzk krzr krzz kzkr kzkz kzmk kzmz kzoo kzor kzoz kzrk kzrm kzro kzrr kzrz kzzk kzzo kzzr kzzz mmmm mmor moko momo mook moor mork moro mozo mrkr mroz okko okmo okok okom okor okro omo- omoo omor omro oooo orko ormo oro- orok orom oror oroz orro orzk orzo rokk roko rokr romk romm romo rook room roor rooz rork roro rozz rrkm rrrr z-ro zomo zoo- zook zoom zork zoro zozo zzzz