-ey -ly bbb bbe bbf bbi bbl bbx bby be- beb bee bef bei bel bex bey bfb bfe bff bfi bfl bfx bfy bi- bib bie bif bii bil bix biy blb ble blf bli bll blx bly bxb bxi bxl bxx by- bye byf byi byl ebb ebe ebf ebi ebl ebx eby eeb eee eef eel eex eey ef- efb efe eff efi efl efx eib eie eif eii eil eix elb ele elf eli ell elx ely ex- exe exi exl exx exy eye eyl fbb fbe fbf fbi fbl fbx feb fee fef fei fel fex fey ffe fff ffi ffl ffx ffy fib fie fif fii fil fix flb fle flf fli fll flx fly fxe fxi fxx fy- fyb fye fyi i-f ibb ibe ibf ibi ibl ibx iby ie- iee ief iei iel iex iey ifb ife iff ifi ifl ifx ify iib iie iif iii iil iix il- ilb ile ilf ili ill ilx ily ixe ixi ixl ixy iye iyy lbb lbe lbf lbi lbl lbx leb lee lef lei lel lex ley lfb lfe lff lfi lfl lfx lib lie lif lii lil lix llb lle llf lli lll lly lxi lxx lye lyf lyl lyx xbe xbl xbx xee xel xex xfe xfl xfx xie xii xix xlb xlf xli xxi xxl xxx xxy xyl xyy ybe ybf ybi ybl yby yeb yee yef yei yel yex yey yfe yff yie yif yii yle yli yll yly yxe yxy yyb yye yyf yyy