-ey -ly bbb bbc bbe bbl bby bcb bcc bce bcl bcy bcz be- beb bec bee bel bey bez blb blc ble bll bly blz by- byc bye byl byz bze bzz c-- cbb cbc cbe cbl cby cbz ccb ccc cce ccl ccz ce- ceb cec cee cel cey cez cl- clb clc cle cll cly clz cyb cyc cye cyl cz- czc cze ebb ebc ebe ebl eby ec- ecb ecc ece ecl eeb eec eee eel eey elb elc ele ell ely elz eyc eye eyl eze ezz lbb lbc lbe lbl lcb lcc lce lcl lcy leb lec lee lel ley lez llb llc lle lll lly llz lyc lye lyl ybc ybe ybl yby ybz ycc yce ycl ycy yeb yec yee yel yey yez ylc yle yll yly yyb yyc yye yyy yyz yzb yzy zbb zbc zbl zby zce zcl zeb zec zee zel zez zly zzy zzz