bbbb bbci bblb bcbc bccc bcci bccl bibb bibi bibl bicc bici bili bill bily bixi blic blix bly- byil cbbc cbcc cbcl cblb cblc ccbc cccb cccc ccci cccl ccic ccii ccil ccix cclc ccli cclx ccxi ccxl cibc cibi cicc cici ciii cili cill cixi clib clic clii clix clxi clxx cly- cxii cxix cxxi cxxx cybb cybc cybi cyc- cycb cycc cycl cyl- cylc cyll cyy- cyyc i-by ibly ibyi icbc iccb iccc icci iccl icll iiii ilbc ilbx ilic ill- illi illy ilxx ixil ixxi lbcc lcbc lccc libc libx liii lilb lili lill lily lixi lixy liyl llcc lllc llll lxii lxxi lxxx lyc- lyly lyx- xcbl xcii xiii xil- xili xill xixi xlib xlii xlix xxii xxix xxxi xxxx xxxy xyl- yccc yili yill ylli yyyy