bubie[11], pubie[10], yuppi[10], pupie[9],
buby[11], puby[10], biby[9], pupy[9], pipu[8], pipy[7],
bub[9], pub[8], bib[7], pup[7], piu[6], pip[5], pie[4],
bu[6], by[5], be[4], bi[4], pe[3], pi[3],
