c-cd cccc ccci cccl ccdc ccdi ccic ccid ccii ccil ccix cclc ccli cclx ccxi ccxl cddl cdic cdii cdli cdxi cdxl cicc cici cidc cidi ciid ciii cili cill cixi clcd cldc clic clii clix clxi clxx cly- cxii cxix cxxi cxxx cyc- cycc cycl cyl- cylc cyld cyll cyy- cyyc d-ix dc-y dccc dcci dccl dcii dcil dcix dcli dcxi dcxl dcxx dddd ddlc ddly dici dicy didi didy diii dili dill dily dixi dixy diyi dlii dlil dlix dlxi dxcc dxci dxcl dxdc dxii dxix dxli dxll dxxl dxxx dycd dydd dyll dyxc dyxl dyxx dyxy iccc icci iccl icdc icdd icdl icll idic idid idil idli idly idyl iicd iiii ilcd ilic ill- illd illi illy ilxx ixil ixxi lccc lcdd ldci lidl liii lili lill lily lixi lixy liyl llcc lldc lllc llll lxii lxxi lxxx lyc- lydd lyly lyx- xcii xdcc xidi xiii xil- xili xill xixi xlii xlix xxii xxix xxxi xxxx xxxy xyl- yccc ydil yidi yild yili yill ylid ylli yyyy