-er a-a a-c a-t aaa aac aae aaj aao aar aas aat ac- aca acc ace acj aco acr acs act aea aec aee aej aeo aer aes aet aja ajc aje ajj ajo ajr ajs ajt aoa aoc aoe aoj aoo aor aos aot ar- ara arc are arj aro arr ars art as- asa asc ase asj aso asr ass ast at- ata atc ate ato atr ats att c-- c-j caa cac cae caj cao car cas cat cca ccc cce ccj cco ccr ccs cct ce- cea cec cee cej ceo cer ces cet cja cjc cjr cjs co- coa coc coe coj coo cor cos cot cra crc cre crj cro crr crs crt csa csc cse csj cso csr css cst cta ctc cte cto ctr cts ctt eaa eac eae eaj eao ear eas eat ec- eca ecc ece ecj eco ecr ecs ect eea eec eee eeo eer ees eet eja ejc ejo ejt eo- eoa eoc eoe eoo eor eos eot era erc ere ero err ers ert es- esa esc ese eso esr ess est eta etc ete etj eto etr ets ett jaa jac jae jaj jao jar jas jat jca jcc jce jco jcr jcs jct jea jec jee jej jeo jer jes jet jja jjc jjj jjr jjs joa joc joe joj joo jor jos jot jra jrc jro jrr jrs jrt jsa jsc jse jsj jso jsr jss jst jta jtc jte jtr jts jtt oaa oac oae oaj oao oar oas oat oc- oca occ ocj oco ocr ocs oct oea oec oee oeo oer oes oet oja ojc oje ojo ojs oo- ooa ooc ooo oor oos oot or- ora orc ore oro orr ors ort os- osa osc ose osj oso osr oss ost ot- ota otc ote oto otr ots ott ra- raa rac rae raj rao rar ras rat rca rcc rce rcj rco rcr rcs rct re- rea rec ree reo rer res ret rja rjc rjr roa roc roe roj roo ror ros rot rra rrc rrr rrs rrt rsa rsc rse rsj rso rsr rss rst rta rtc rte rtj rto rtr rts rtt saa sac sae saj sao sar sas sat sca scc sce scj sco scr scs sct se- sea sec see sej seo ser ses set sja sjc sje sjj sjr sjs sjt soa soc soe soj soo sor sos sot sr- sra src sre srj sro srr srs srt ss- ssa ssc sse ssj sso ssr sss sst sta stc ste stj sto str sts stt taa tac tae taj tao tar tas tat tca tcc tce tcj tco tcr tcs tct te- tea tec tee tej teo ter tes tet tjc tje tjo tjr tjs to- toa toc toe toj too tor tos tot tra trc tre tro trr trs trt tsa tsc tse tsj tso tsr tss tst tta ttc tte tto ttr tts ttt