-al a-a a-b aaa aab aae aaf aal aap ab- aba abb abe abf abl abp aea aeb aee aef ael aep af- afa afb afe aff afl afp al- ala alb ale alf all alp ap- apa apb ape apf apl app b-p baa bab bae baf bal bap bba bbb bbe bbf bbl bbp be- bea beb bee bef bel bep bfa bfb bfe bff bfl bfp bla blb ble blf bll blp bpa bpb bpe bpf bpl bpp eaa eab eae eaf eal eap eba ebb ebe ebf ebl ebp eea eeb eee eef eel eep ef- efa efb efe eff efl efp ela elb ele elf ell elp ep- epa epb epe epf epl epp faa fab fae faf fal fap fba fbb fbe fbf fbl fbp fea feb fee fef fel fep ffa ffe fff ffl ffp fla flb fle flf fll flp fpa fpb fpe fpl fpp l-p la- laa lab lae laf lal lap lba lbb lbe lbf lbl lbp lea leb lee lef lel lep lfa lfb lfe lff lfl lfp lla llb lle llf lll llp lpa lpb lpe lpf lpl lpp p-p paa pab pae paf pal pap pba pbb pbe pbf pbl pbp pea peb pee pef pel pep pfa pfb pfe pff pfl pfp pla plb ple plf pll plp ppa ppb ppe ppf ppl ppp