-al -er a-a a-b aaa aab aad aae aal aap aar ab- aba abb abd abe abl abp abr ad- ada adb add ade adl adp adr aea aeb aed aee ael aep aer al- ala alb ald ale all alp alr ap- apa apb apd ape apl app apr ar- ara arb ard are arl arp arr b-p baa bab bad bae bal bap bar bba bbb bbd bbe bbl bbp bbr bda bdb bdd bde bdl bdp bdr be- bea beb bed bee bel bep ber bla blb bld ble bll blp blr bpa bpb bpd bpe bpl bpp bpr bra brb brd bre brl brp brr daa dab dad dae dal dap dar dba dbb dbd dbe dbl dbp dbr dda ddb ddd dde ddl ddp ddr de- dea deb ded dee del dep der dl- dla dlb dld dle dll dlp dlr dpa dpb dpd dpe dpl dpp dpr dra drb drd dre drl drp drr eaa eab ead eae eal eap ear eba ebb ebd ebe ebl ebp ebr ed- eda edb edd ede edl edp edr eea eeb eed eee eel eep eer ela elb eld ele ell elp elr ep- epa epb epd epe epl epp epr era erb erd ere erl erp err l-p la- laa lab lad lae lal lap lar lba lbb lbd lbe lbl lbp lbr lda ldb ldd lde ldl ldp ldr lea leb led lee lel lep ler lla llb lld lle lll llp llr lpa lpb lpd lpe lpl lpp lpr lra lrb lrd lrp lrr p-p paa pab pad pae pal pap par pba pbb pbd pbe pbl pbp pbr pda pdb pdd pde pdl pdp pdr pea peb ped pee pel pep per pla plb pld ple pll plp plr ppa ppb ppd ppe ppl ppp ppr pra prb prd pre prl prp prr ra- raa rab rad rae ral rap rar rba rbb rbd rbe rbl rbp rbr rda rdb rdd rde rdl rdp rdr re- rea reb red ree rel rep rer rla rld rle rll rlp rlr rpa rpb rpd rpe rpl rpp rpr rra rrb rrd rrl rrp rrr