bc8ng ac8n 9b8ng1 8b8ng 7b8n
ml7n ll7ng1 kl7ng jl7n il7ng1
xu6ng1 wu6ng vu6n uu6ng1 tu6ng
835ng 735n 635ng1 535ng 435n
jd5n id5ng1 hd5ng gd5n fd5ng1