-al -er a-a a-b a-c a-t aaa aab aac aae aal aan aap aar aas aat ab- aba abb abc abe abl abn abp abr abs abt ac- aca acb acc ace acl acn acp acr acs act aea aeb aec aee ael aen aep aer aes aet al- ala alb alc ale all aln alp alr als alt an- ana anb anc ane anl ann anp anr ans ant ap- apa apb apc ape apl apn app apr aps apt ar- ara arb arc are arl arn arp arr ars art as- asa asb asc ase asl asn asp asr ass ast at- ata atb atc ate atl atn atp atr ats att b-p baa bab bac bae bal ban bap bar bas bat bba bbb bbc bbe bbl bbn bbp bbr bbs bbt bca bcb bcc bce bcl bcn bcp bcr bcs bct be- bea beb bec bee bel ben bep ber bes bet bla blb blc ble bll bln blp blr bls blt bna bnb bnc bne bnl bnn bnp bnr bns bnt bpa bpb bpc bpe bpl bpn bpp bpr bps bpt bra brb bre brl brn brp brr brs brt bsa bsb bsc bse bsl bsn bsp bsr bss bst bta btb btc bte btl btn btp btr bts btt c-- caa cab cac cae cal can cap car cas cat cba cbb cbc cbe cbl cbn cbp cbr cbs cbt cca ccb ccc cce ccl ccn ccp ccr ccs cct ce- cea ceb cec cee cel cen cep cer ces cet cl- cla clb clc cle cll cln clp clr cls clt cn- cna cnb cnc cne cnl cnn cnp cnr cns cnt cpa cpb cpc cpe cpl cpn cpp cpr cps cpt cra crb crc cre crl crn crp crr crs crt csa csb csc cse csl csn csp csr css cst cta ctb ctc cte ctl ctn ctp ctr cts ctt eaa eab eac eae eal ean eap ear eas eat eba ebb ebc ebe ebl ebn ebp ebr ebs ebt ec- eca ecb ecc ece ecl ecn ecr ecs ect eea eeb eec eee eel een eep eer ees eet ela elb elc ele ell eln elp elr els elt en- ena enb enc ene enl enn enp enr ens ent ep- epa epb epc epe epl epn epp epr eps ept era erb erc ere erl ern erp err ers ert es- esa esb esc ese esl esn esp esr ess est eta etb etc ete etl etn etp etr ets ett l-p la- laa lab lac lae lal lan lap lar las lat lba lbb lbc lbe lbl lbp lbr lbs lbt lca lcb lcc lce lcl lcn lcp lcr lcs lct lea leb lec lee lel len lep ler les let lla llb llc lle lll lln llp llr lls llt lna lnb lnc lne lnl lnn lnp lnr lns lnt lpa lpb lpc lpe lpl lpn lpp lpr lps lpt lra lrb lrc lrn lrp lrr lrs lrt lsa lsb lsc lse lsl lsn lsp lsr lss lst lta ltb ltc lte ltl ltp ltr lts ltt naa nab nac nae nal nan nap nar nas nat nba nbb nbc nbe nbl nbn nbp nbr nbs nbt nca ncb ncc nce ncl ncn ncp ncr ncs nct ne- nea neb nec nee nel nen nep ner nes net nla nlb nlc nle nll nln nlp nlr nls nlt nna nnb nnc nne nnl nnn nnp nns nnt npa npb npc npe npl npn npp npr nps npt nra nrb nrc nre nrl nrn nrp nrr nrs nrt nsa nsb nsc nse nsl nsn nsp nsr nss nst nta ntb ntc nte ntn ntp ntr nts ntt p-p paa pab pac pae pal pan pap par pas pat pba pbb pbc pbe pbl pbn pbp pbr pbs pbt pca pcb pcc pce pcl pcn pcp pcr pcs pct pea peb pec pee pel pen pep per pes pet pla plb plc ple pll pln plp plr pls plt pn- pna pnb pnc pne pnl pnn pnp pnr pns pnt ppa ppb ppc ppe ppl ppn ppp ppr pps ppt pra prb prc pre prl prn prp prr prs prt ps- psa psb psc pse psl psn psp psr pss pst pt- pta ptb ptc pte ptl ptn ptp ptr pts ptt ra- raa rab rac rae ral ran rap rar ras rat rba rbb rbc rbe rbl rbn rbp rbr rbs rbt rca rcb rcc rce rcl rcn rcp rcr rcs rct re- rea reb rec ree rel ren rep rer res ret rla rlc rle rll rln rlp rlr rls rlt rna rnb rnc rnn rnp rnr rns rnt rpa rpb rpc rpe rpl rpn rpp rpr rps rpt rra rrb rrc rrl rrn rrp rrr rrs rrt rsa rsb rsc rse rsl rsn rsp rsr rss rst rta rtb rtc rte rtl rtn rtp rtr rts rtt saa sab sac sae sal san sap sar sas sat sba sbb sbc sbe sbl sbn sbp sbr sbs sbt sca scb scc sce scl scn scp scr scs sct se- sea seb sec see sel sen sep ser ses set sla slb slc sle sll sln slp slr sls slt sna snb snc sne snl snn snp snr sns snt spa spb spc spe spl spn spp spr sps spt sr- sra srb src sre srl srn srp srr srs srt ss- ssa ssb ssc sse ssl ssn ssp ssr sss sst sta stb stc ste stl stn stp str sts stt taa tab tac tae tal tan tap tar tas tat tba tbb tbc tbe tbl tbn tbp tbr tbs tbt tca tcb tcc tce tcl tcn tcp tcr tcs tct te- tea teb tec tee tel ten tep ter tes tet tla tlc tle tll tln tlp tlr tls tlt tna tnb tnc tne tnl tnn tnp tnr tns tnt tpa tpb tpc tpe tpl tpn tpp tpr tps tpt tra trb trc tre trl trn