bucu[11], buca[9], bury[9], baru[8], bura[8], bacy[8], caby[8], arby[7], bary[7], raby[7], ryba[7], aury[7], rury[7], rura[6], cary[6], racy[6],
buu[9], buc[8], bru[7], bur[7], cab[6], cru[6], aby[6], bry[6], ryb[6], arb[5], bar[5], rab[5], brr[5], aur[5], rur[5], car[4], rac[4], ary[4],
bu[6], uu[6], by[5], ba[4], au[4], ar[2],
