a-a a-b aaa aab aae aaj aap ab- aba abb abe abj abp aea aeb aee aej aep aja ajb aje ajj ajp ap- apa apb ape apj app b-p baa bab bae baj bap bba bbb bbe bbp be- bea beb bee bep bja bjj bjp bpa bpb bpe bpp eaa eab eae eaj eap eba ebb ebe ebj ebp eea eeb eee eep eja ejp ep- epa epb epe epp jaa jab jae jaj jap jba jbj jea jeb jee jej jep jja jjb jjj jjp jpa jpb jpe jpj jpp p-p paa pab pae paj pap pba pbb pbe pbj pbp pea peb pee pep pja pjp ppa ppb ppe ppj ppp