-al -er a-a a-b aaa aab aae aaf aal aap aar ab- aba abb abe abf abl abp abr aea aeb aee aef ael aep aer af- afa afb afe aff afl afp afr al- ala alb ale alf all alp alr ap- apa apb ape apf apl app apr ar- ara arb are arf arl arp arr b-p baa bab bae baf bal bap bar bba bbb bbe bbf bbl bbp bbr be- bea beb bee bef bel bep ber bfa bfb bfe bff bfl bfp bfr bla blb ble blf bll blp blr bpa bpb bpe bpf bpl bpp bpr bra brb bre brf brl brp brr eaa eab eae eaf eal eap ear eba ebb ebe ebf ebl ebp ebr eea eeb eee eef eel eep eer ef- efa efb efe eff efl efp efr ela elb ele elf ell elp elr ep- epa epb epe epf epl epp epr era erb ere erf erl erp err faa fab fae faf fal fap far fba fbb fbe fbf fbl fbp fbr fea feb fee fef fel fep fer ffa ffe fff ffl ffp ffr fla flb fle flf fll flp flr fpa fpb fpe fpl fpp fpr fra frb fre frf frl frp frr l-p la- laa lab lae laf lal lap lar lba lbb lbe lbf lbl lbp lbr lea leb lee lef lel lep ler lfa lfb lfe lff lfl lfp lfr lla llb lle llf lll llp llr lpa lpb lpe lpf lpl lpp lpr lra lrb lrf lrp lrr p-p paa pab pae paf pal pap par pba pbb pbe pbf pbl pbp pbr pea peb pee pef pel pep per pfa pfb pfe pff pfl pfp pfr pla plb ple plf pll plp plr ppa ppb ppe ppf ppl ppp ppr pra prb pre prf prl prp prr ra- raa rab rae raf ral rap rar rba rbb rbe rbf rbl rbp rbr re- rea reb ree ref rel rep rer rfa rfb rfe rff rfl rfp rfr rla rle rlf rll rlp rlr rpa rpb rpe rpf rpl rpp rpr rra rrb rrf rrl rrp rrr