begu[10], bugi[10], gubi[10], gigu[10], begi[8], bieg[8],
bub[9], bug[9], gub[9], hub[9], beg[7], bib[7], big[7], gib[7], gig[7], ghi[7], gie[5],
bu[6], gu[6], hu[6], be[4], eh[4], he[4], bi[4], hi[4],