a-a a-b aaa aab aaj aap aar ab- aba abb abj abp abr aja ajb ajj ajp ajr ap- apa apb apj app apr ar- ara arb arj arp arr b-p baa bab baj bap bar bba bbb bbp bbr bja bjj bjp bjr bpa bpb bpp bpr bra brb brj brp brr jaa jab jaj jap jar jba jbj jbr jja jjb jjj jjp jjr jpa jpb jpj jpp jpr jra jrb jrp jrr p-p paa pab paj pap par pba pbb pbj pbp pbr pja pjp ppa ppb ppj ppp ppr pra prb prp prr ra- raa rab raj rap rar rba rbb rbp rbr rja rjp rjr rpa rpb rpp rpr rra rrb rrp rrr