-al -er a-a a-b aaa aab aad aae aal aan aap aar ab- aba abb abd abe abl abn abp abr ad- ada adb add ade adl adn adp adr aea aeb aed aee ael aen aep aer al- ala alb ald ale all aln alp alr an- ana anb and ane anl ann anp anr ap- apa apb apd ape apl apn app apr ar- ara arb ard are arl arn arp arr b-p baa bab bad bae bal ban bap bar bba bbb bbd bbe bbl bbn bbp bbr bda bdb bdd bde bdl bdp bdr be- bea beb bed bee bel ben bep ber bla blb bld ble bll bln blp blr bna bnb bnd bne bnl bnn bnp bnr bpa bpb bpd bpe bpl bpn bpp bpr bra brb brd bre brl brn brp brr daa dab dad dae dal dan dap dar dba dbb dbd dbe dbl dbn dbp dbr dda ddb ddd dde ddl ddn ddp ddr de- dea deb ded dee del den dep der dl- dla dlb dld dle dll dlp dlr dna dnb dnd dne dnl dnn dnp dnr dpa dpb dpd dpe dpl dpn dpp dpr dra drb drd dre drl drn drp drr eaa eab ead eae eal ean eap ear eba ebb ebd ebe ebl ebn ebp ebr ed- eda edb edd ede edl edn edp edr eea eeb eed eee eel een eep eer ela elb eld ele ell eln elp elr en- ena enb end ene enl enn enp enr ep- epa epb epd epe epl epn epp epr era erb erd ere erl ern erp err l-p la- laa lab lad lae lal lan lap lar lba lbb lbd lbe lbl lbp lbr lda ldb ldd lde ldl ldn ldp ldr lea leb led lee lel len lep ler lla llb lld lle lll lln llp llr lna lnb lnd lne lnl lnn lnp lnr lpa lpb lpd lpe lpl lpn lpp lpr lra lrb lrd lrn lrp lrr naa nab nad nae nal nan nap nar nba nbb nbd nbe nbl nbn nbp nbr nda ndb ndd nde ndl ndn ndp ndr ne- nea neb ned nee nel nen nep ner nla nlb nld nle nll nln nlp nlr nna nnb nne nnl nnn nnp npa npb npd npe npl npn npp npr nra nrb nrd nre nrl nrn nrp nrr p-p paa pab pad pae pal pan pap par pba pbb pbd pbe pbl pbn pbp pbr pda pdb pdd pde pdl pdn pdp pdr pea peb ped pee pel pen pep per pla plb pld ple pll pln plp plr pn- pna pnb pnd pne pnl pnn pnp pnr ppa ppb ppd ppe ppl ppn ppp ppr pra prb prd pre prl prn prp prr ra- raa rab rad rae ral ran rap rar rba rbb rbd rbe rbl rbn rbp rbr rda rdb rdd rde rdl rdn rdp rdr re- rea reb red ree rel ren rep rer rla rld rle rll rln rlp rlr rna rnb rnd rnn rnp rnr rpa rpb rpd rpe rpl rpn rpp rpr rra rrb rrd rrl rrn rrp rrr