-al -er a-a a-b a-t aaa aab aad aae aal aan aap aar aas aat ab- aba abb abd abe abl abn abp abr abs abt ad- ada adb add ade adl adn adp adr ads adt aea aeb aed aee ael aen aep aer aes aet al- ala alb ald ale all aln alp alr als alt an- ana anb and ane anl ann anp anr ans ant ap- apa apb apd ape apl apn app apr aps apt ar- ara arb ard are arl arn arp arr ars art as- asa asb asd ase asl asn asp asr ass ast at- ata atb atd ate atl atn atp atr ats att b-p baa bab bad bae bal ban bap bar bas bat bba bbb bbd bbe bbl bbn bbp bbr bbs bbt bda bdb bdd bde bdl bdp bdr bds bdt be- bea beb bed bee bel ben bep ber bes bet bla blb bld ble bll bln blp blr bls blt bna bnb bnd bne bnl bnn bnp bnr bns bnt bpa bpb bpd bpe bpl bpn bpp bpr bps bpt bra brb brd bre brl brn brp brr brs brt bsa bsb bsd bse bsl bsn bsp bsr bss bst bta btb btd bte btl btn btp btr bts btt daa dab dad dae dal dan dap dar das dat dba dbb dbd dbe dbl dbn dbp dbr dbs dbt dda ddb ddd dde ddl ddn ddp ddr dds ddt de- dea deb ded dee del den dep der des det dl- dla dlb dld dle dll dlp dlr dls dlt dna dnb dnd dne dnl dnn dnp dnr dns dnt dpa dpb dpd dpe dpl dpn dpp dpr dps dpt dra drb drd dre drl drn drp drr drs drt dsa dsb dsd dse dsl dsn dsp dsr dss dst dta dtb dtd dte dtl dtn dtp dtr dts dtt eaa eab ead eae eal ean eap ear eas eat eba ebb ebd ebe ebl ebn ebp ebr ebs ebt ed- eda edb edd ede edl edn edp edr eds edt eea eeb eed eee eel een eep eer ees eet ela elb eld ele ell eln elp elr els elt en- ena enb end ene enl enn enp enr ens ent ep- epa epb epd epe epl epn epp epr eps ept era erb erd ere erl ern erp err ers ert es- esa esb esd ese esl esn esp esr ess est eta etb etd ete etl etn etp etr ets ett l-p la- laa lab lad lae lal lan lap lar las lat lba lbb lbd lbe lbl lbp lbr lbs lbt lda ldb ldd lde ldl ldn ldp ldr lds ldt lea leb led lee lel len lep ler les let lla llb lld lle lll lln llp llr lls llt lna lnb lnd lne lnl lnn lnp lnr lns lnt lpa lpb lpd lpe lpl lpn lpp lpr lps lpt lra lrb lrd lrn lrp lrr lrs lrt lsa lsb lsd lse lsl lsn lsp lsr lss lst lta ltb ltd lte ltl ltp ltr lts ltt naa nab nad nae nal nan nap nar nas nat nba nbb nbd nbe nbl nbn nbp nbr nbs nbt nda ndb ndd nde ndl ndn ndp ndr nds ndt ne- nea neb ned nee nel nen nep ner nes net nla nlb nld nle nll nln nlp nlr nls nlt nna nnb nne nnl nnn nnp nns nnt npa npb npd npe npl npn npp npr nps npt nra nrb nrd nre nrl nrn nrp nrr nrs nrt nsa nsb nsd nse nsl nsn nsp nsr nss nst nta ntb ntd nte ntn ntp ntr nts ntt p-p paa pab pad pae pal pan pap par pas pat pba pbb pbd pbe pbl pbn pbp pbr pbs pbt pda pdb pdd pde pdl pdn pdp pdr pds pdt pea peb ped pee pel pen pep per pes pet pla plb pld ple pll pln plp plr pls plt pn- pna pnb pnd pne pnl pnn pnp pnr pns pnt ppa ppb ppd ppe ppl ppn ppp ppr pps ppt pra prb prd pre prl prn prp prr prs prt ps- psa psb psd pse psl psn psp psr pss pst pt- pta ptb ptd pte ptl ptn ptp ptr pts ptt ra- raa rab rad rae ral ran rap rar ras rat rba rbb rbd rbe rbl rbn rbp rbr rbs rbt rda rdb rdd rde rdl rdn rdp rdr rds rdt re- rea reb red ree rel ren rep rer res ret rla rld rle rll rln rlp rlr rls rlt rna rnb rnd rnn rnp rnr rns rnt rpa rpb rpd rpe rpl rpn rpp rpr rps rpt rra rrb rrd rrl rrn rrp rrr rrs rrt rsa rsb rsd rse rsl rsn rsp rsr rss rst rta rtb rtd rte rtl rtn rtp rtr rts rtt saa sab sad sae sal san sap sar sas sat sba sbb sbd sbe sbl sbn sbp sbr sbs sbt sda sdb sdd sde sdl sdn sdp sdr sds sdt se- sea seb sed see sel sen sep ser ses set sla slb sld sle sll sln slp slr sls slt sna snb snd sne snl snn snp snr sns snt spa spb spd spe spl spn spp spr sps spt sr- sra srb srd sre srl srn srp srr srs srt ss- ssa ssb ssd sse ssl ssn ssp ssr sss sst sta stb std ste stl stn stp str sts stt taa tab tad tae tal tan tap tar tas tat tba tbb tbd tbe tbl tbn tbp tbr tbs tbt tda tdb tdd tde tdl tdn tdp tdr tds tdt te- tea teb ted tee tel ten tep ter tes tet tla tld tle tll tln tlp tlr tls tlt tna tnb tnd tne tnl tnn tnp tnr tns tnt tpa tpb tpd tpe tpl tpn tpp tpr tps tpt tra trb trd tre trl trn trp trr trs trt