-er a-a a-c a-t aaa aac aae aaj aan aap aar aas aat ac- aca acc ace acj acn acp acr acs act aea aec aee aej aen aep aer aes aet aja ajc aje ajj ajn ajp ajr ajs ajt an- ana anc ane anj ann anp anr ans ant ap- apa apc ape apj apn app apr aps apt ar- ara arc are arj arn arp arr ars art as- asa asc ase asj asn asp asr ass ast at- ata atc ate atn atp atr ats att c-- c-j caa cac cae caj can cap car cas cat cca ccc cce ccj ccn ccp ccr ccs cct ce- cea cec cee cej cen cep cer ces cet cja cjc cjp cjr cjs cn- cna cnc cne cnj cnn cnp cnr cns cnt cpa cpc cpe cpj cpn cpp cpr cps cpt cra crc cre crj crn crp crr crs crt csa csc cse csj csn csp csr css cst cta ctc cte ctn ctp ctr cts ctt eaa eac eae eaj ean eap ear eas eat ec- eca ecc ece ecj ecn ecr ecs ect eea eec eee een eep eer ees eet eja ejc ejp ejt en- ena enc ene enn enp enr ens ent ep- epa epc epe epn epp epr eps ept era erc ere ern erp err ers ert es- esa esc ese esn esp esr ess est eta etc ete etj etn etp etr ets ett jaa jac jae jaj jan jap jar jas jat jca jcc jce jcp jcr jcs jct jea jec jee jej jen jep jer jes jet jja jjc jjj jjp jjr jjs jna jnc jne jnj jnn jnp jnr jns jnt jpa jpc jpe jpj jpn jpp jpr jps jpt jra jrc jrn jrp jrr jrs jrt jsa jsc jse jsj jsn jsp jsr jss jst jta jtc jte jtn jtp jtr jts jtt naa nac nae naj nan nap nar nas nat nca ncc nce ncn ncp ncr ncs nct ne- nea nec nee nej nen nep ner nes net nja njc nje njn njp njs nna nnc nne nnn nnp nns nnt npa npc npe npn npp npr nps npt nra nrc nre nrj nrn nrp nrr nrs nrt nsa nsc nse nsn nsp nsr nss nst nta ntc nte ntn ntp ntr nts ntt p-p paa pac pae paj pan pap par pas pat pca pcc pce pcj pcn pcp pcr pcs pct pea pec pee pen pep per pes pet pja pjc pjp pjs pn- pna pnc pne pnn pnp pnr pns pnt ppa ppc ppe ppj ppn ppp ppr pps ppt pra prc pre prn prp prr prs prt ps- psa psc pse psj psn psp psr pss pst pt- pta ptc pte ptj ptn ptp ptr pts ptt ra- raa rac rae raj ran rap rar ras rat rca rcc rce rcj rcn rcp rcr rcs rct re- rea rec ree ren rep rer res ret rja rjc rjp rjr rna rnc rnn rnp rnr rns rnt rpa rpc rpe rpn rpp rpr rps rpt rra rrc rrn rrp rrr rrs rrt rsa rsc rse rsj rsn rsp rsr rss rst rta rtc rte rtj rtn rtp rtr rts rtt saa sac sae saj san sap sar sas sat sca scc sce scj scn scp scr scs sct se- sea sec see sej sen sep ser ses set sja sjc sje sjj sjp sjr sjs sjt sna snc sne snj snn snp snr sns snt spa spc spe spn spp spr sps spt sr- sra src sre srj srn srp srr srs srt ss- ssa ssc sse ssj ssn ssp ssr sss sst sta stc ste stj stn stp str sts stt taa tac tae taj tan tap tar tas tat tca tcc tce tcj tcn tcp tcr tcs tct te- tea tec tee tej ten tep ter tes tet tjc tje tjp tjr tjs tna tnc tne tnn tnp tnr tns tnt tpa tpc tpe tpj tpn tpp tpr tps tpt tra trc tre trn trp trr trs trt tsa tsc tse tsj tsn tsp tsr tss tst tta ttc tte ttn ttp ttr tts ttt