bbb bbk bbl bbr bjj bjk bjr bkb bkk bkl bkr bkv blb blj blk bll blr blv brb brj brk brl brr brv bvb bvk bvl bvr bvv jbj jbk jbl jbr jjb jjj jjk jjl jjr jkb jkk jkl jkr jkv jlb jll jlr jrb jrk jrl jrr jvb jvl kbb kbk kbl kbr kjb kjr kkb kkk kkl kkr kkv kl- klb klr klv krk krl krr krv kvb kvk kvr kvv lbb lbj lbk lbl lbr lbv ljj lkb lkl lkr llb llj llk lll llr llv lrb lrk lrr lrv lvb lvl lvr lvv rbb rbk rbl rbr rjk rjr rkb rkk rkv rll rlr rrb rrk rrl rrr rvb rvl rvr rvv vbk vbl vbr vbv vkb vl- vlb vlk vll vlv vrb vrk vrr vvb vvr vvv