-er a-a a-c a-t aaa aac aae aaj aak aam aar aas aat ac- aca acc ace acj ack acm acr acs act aea aec aee aej aek aem aer aes aet aja ajc aje ajj ajk ajm ajr ajs ajt aka akc ake akj akk akm akr aks ama amc ame amk amm amr ams amt ar- ara arc are arj ark arm arr ars art as- asa asc ase asj ask asm asr ass ast at- ata atc ate atm atr ats att c-- c-j caa cac cae caj cak cam car cas cat cca ccc cce ccj cck ccm ccr ccs cct ce- cea cec cee cej cek cem cer ces cet cja cjc cjk cjr cjs cka ckc ckm cks ckt cma cmc cme cmj cmk cmm cmr cms cmt cra crc cre crj crk crm crr crs crt csa csc cse csj csk csm csr css cst cta ctc cte ctk ctm ctr cts ctt eaa eac eae eaj eak eam ear eas eat ec- eca ecc ece ecj eck ecm ecr ecs ect eea eec eee eek eem eer ees eet eja ejc ejt eka ekc eke ekr eks ekt em- ema emc eme emk emm emr ems emt era erc ere erk erm err ers ert es- esa esc ese esk esm esr ess est eta etc ete etj etk etm etr ets ett jaa jac jae jaj jak jam jar jas jat jca jcc jce jck jcm jcr jcs jct jea jec jee jej jek jem jer jes jet jja jjc jjj jjk jjr jjs jka jkk jkm jkr jks jkt jma jmc jme jmj jmm jmr jms jmt jra jrc jrk jrm jrr jrs jrt jsa jsc jse jsj jsk jsm jsr jss jst jta jtc jte jtk jtm jtr jts jtt k-t ka- kaa kac kae kaj kak kam kar kas kat kca kcc kce kck kcm kcr kcs kct ke- kea kec kee kek kem ker kes ket kjc kje kjr kjs kkc kke kkk kkm kkr kks kkt kma kmc kme kmj kmk kmm kms kmt kra krc krk krr krs krt ksa ksc kse ksk ksm ksr kss kst kta ktc kte ktj ktk ktm ktr kts ktt m-r maa mac mae maj mak mam mar mas mat mc- mca mcc mce mck mcm mcr mcs mct mea mec mee mej mek mem mer mes met mjc mje mjj mjk mjm mjr mjs mjt mka mkc mke mkk mkm mkr mks mkt mma mmc mme mmj mmk mmm mmr mms mmt mra mrc mre mrj mrk mrm mrr mrs mrt msa msc mse msj msk msm msr mss mst mta mtc mte mtj mtk mtm mtr mts mtt ra- raa rac rae raj rak ram rar ras rat rca rcc rce rcj rcm rcr rcs rct re- rea rec ree rek rem rer res ret rja rjc rjk rjm rjr rkc rke rkk rkm rks rkt rma rmc rme rmm rmr rms rmt rra rrc rrk rrm rrr rrs rrt rsa rsc rse rsj rsk rsm rsr rss rst rta rtc rte rtj rtk rtm rtr rts rtt saa sac sae saj sak sam sar sas sat sca scc sce scj sck scm scr scs sct se- sea sec see sej sek sem ser ses set sja sjc sje sjj sjk sjm sjr sjs sjt sk- ska skc ske skj skk skm skr sks skt sma smc sme smk smm smr sms smt sr- sra src sre srj srk srm srr srs srt ss- ssa ssc sse ssj ssk ssm ssr sss sst sta stc ste stj stk stm str sts stt taa tac tae taj tak tam tar tas tat tca tcc tce tcj tck tcm tcr tcs tct te- tea tec tee tej tek tem ter tes tet tjc tje tjm tjr tjs tka tkc tke tkk tkm tkr tks tkt tma tmc tme tmj tmk tmm tmr tms tmt tra trc tre trk trm trr trs trt tsa tsc tse tsj tsk tsm tsr tss tst tta ttc tte ttk ttm ttr tts ttt