pr2g qr2g1 rr2g1b sr2g tr2g1
ei3g1 fi3g1b gi3g hi3g1 ii3g1b
383g1b 483g 583g1 683g1b 783g
sz4g tz4g1 uz4g1b vz4g wz4g1
hq5g1 iq5g1b jq5g kq5g1 lq5g1b