How To create dynamic buttons using lists

[moyphus]

Hi to all

        I have a list.. From that i want to create a multiple command buttons..(ie.) dynamic command buttons...How to create the command buttons dynamically

<h:selectOneMenu id="deriveFrom" value="#{sysprcomponentsmst1Home.instance.derivedFrom}">
                 <f:selectItem itemLabel="#{messages.Select}" itemValue=""/>
                 <f:selectItems value="#{sysprcomponentsmst1Home.getPrCompName(i)}"/>
                 <a:support event="onchange" ajaxSingle="true" reRender="prformula,calcType,deriveFrom,derivedFrom" action="#{sysprcomponentsmst1Home.getFormula(sysprcomponentsmst1Home.instance.derivedFrom)}"/>
                 </h:selectOneMenu>

Now i want this as command buttons...Thanks in advance....