obora[7], robra[7], obawo[7], barwo[7], brawo[7],
arbo[6], baor[6], bora[6], roba[6], boro[6], robo[6], obaw[6], barw[6], braw[6], wora[4],
abo[5], boa[5], oba[5], arb[5], bar[5], rab[5], bor[5], rob[5], brr[5], baw[5], wab[5], aro[3], ora[3], oro[3], owa[3], owo[3], rwa[3], war[3], rwo[3], wrr[3],
ba[4], bo[4], ar[2], or[2], ro[2],
