baru[8], bura[8], boru[8], buro[8], arbo[6], baor[6], bora[6], roba[6], auro[6], rura[6], ruro[6],
obu[7], bru[7], bur[7], abo[5], boa[5], oba[5], arb[5], bar[5], rab[5], bor[5], rob[5], brr[5], aur[5], oru[5], rur[5], aro[3], ora[3],
bu[6], ba[4], bo[4], au[4], ar[2], or[2], ro[2],
