STILLICIDIUM

id is it li mi mu si ti um us ut

cis cud cum cut dim dis dit dui ids ill ism its lid lis lit lum mic mid mil mis mud mus mut sic sim sit sum tic til tis tui uts

cist cuds cull culm cult cuts dill dims disc dits duci duct duit dull dust ills imid lids lilt list lits litu lums lust mics midi mids mild mill mils milt mist muds mull must muts scud scum scut sild sill silt slid slim slit slum slut smit smut stud stum suit tics till tils tuis