-lock ccccc clock clonk clook cloot cnnnn cntln cntnl co-co cocc- cocco cockt cocol cocon cocto cokk- cokot coll- collo colo- colok colon conck concl conco cono- conon contl contn conto cookt coolo coton cott- cotto klock klonk kloot knock knokk knoll knott ko-ko kocon kokko kokot kollo kolno kolol kolot konno koton kotto lockt loco- locon lokot lollo lolol lonco lonko loock lookt loton lotto ltcol nkolo nnooo no-no noct- nocto nokko nokon nolot nonno nonot notlo notno noto- notok noton notto ocllo octo- octol octon okoc ollon olton onco- oncol onlot onont onoon onoto onto- ontoo ooooo otolo otono ototo tllnn tntnt tocco toco- tokko toko- tokol tolko tollo tolon toloo tonco tono- tonto toolt toto- totok toton totoo ttttt