-er a-a a-c a-t aaa aac aae aak aam aap aar aas aat ac- aca acc ace ack acm acp acr acs act aea aec aee aek aem aep aer aes aet aka akc ake akk akm akp akr aks ama amc ame amk amm amp amr ams amt ap- apa apc ape apk apm app apr aps apt ar- ara arc are ark arm arp arr ars art as- asa asc ase ask asm asp asr ass ast at- ata atc ate atm atp atr ats att c-- caa cac cae cak cam cap car cas cat cca ccc cce cck ccm ccp ccr ccs cct ce- cea cec cee cek cem cep cer ces cet cka ckc ckm cks ckt cma cmc cme cmk cmm cmp cmr cms cmt cpa cpc cpe cpk cpm cpp cpr cps cpt cra crc cre crk crm crp crr crs crt csa csc cse csk csm csp csr css cst cta ctc cte ctk ctm ctp ctr cts ctt eaa eac eae eak eam eap ear eas eat ec- eca ecc ece eck ecm ecr ecs ect eea eec eee eek eem eep eer ees eet eka ekc eke ekp ekr eks ekt em- ema emc eme emk emm emp emr ems emt ep- epa epc epe epm epp epr eps ept era erc ere erk erm erp err ers ert es- esa esc ese esk esm esp esr ess est eta etc ete etk etm etp etr ets ett k-t ka- kaa kac kae kak kam kap kar kas kat kca kcc kce kck kcm kcp kcr kcs kct ke- kea kec kee kek kem kep ker kes ket kkc kke kkk kkm kkp kkr kks kkt kma kmc kme kmk kmm kmp kms kmt kpa kpc kpe kpk kpm kpp kpr kps kpt kra krc krk krp krr krs krt ksa ksc kse ksk ksm ksp ksr kss kst kta ktc kte ktk ktm ktp ktr kts ktt m-r maa mac mae mak mam map mar mas mat mc- mca mcc mce mck mcm mcp mcr mcs mct mea mec mee mek mem mep mer mes met mka mkc mke mkk mkm mkp mkr mks mkt mma mmc mme mmk mmm mmp mmr mms mmt mpa mpc mpe mpk mpm mpp mpr mps mpt mra mrc mre mrk mrm mrp mrr mrs mrt msa msc mse msk msm msp msr mss mst mta mtc mte mtk mtm mtp mtr mts mtt p-p paa pac pae pak pam pap par pas pat pca pcc pce pck pcm pcp pcr pcs pct pea pec pee pek pem pep per pes pet pka pkc pke pkm pkp pkr pks pkt pma pmc pme pmk pmm pmp pmr pms pmt ppa ppc ppe ppk ppm ppp ppr pps ppt pra prc pre prk prm prp prr prs prt ps- psa psc pse psk psm psp psr pss pst pt- pta ptc pte ptk ptm ptp ptr pts ptt ra- raa rac rae rak ram rap rar ras rat rca rcc rce rcm rcp rcr rcs rct re- rea rec ree rek rem rep rer res ret rkc rke rkk rkm rkp rks rkt rma rmc rme rmm rmp rmr rms rmt rpa rpc rpe rpk rpm rpp rpr rps rpt rra rrc rrk rrm rrp rrr rrs rrt rsa rsc rse rsk rsm rsp rsr rss rst rta rtc rte rtk rtm rtp rtr rts rtt saa sac sae sak sam sap sar sas sat sca scc sce sck scm scp scr scs sct se- sea sec see sek sem sep ser ses set sk- ska skc ske skk skm skp skr sks skt sma smc sme smk smm smp smr sms smt spa spc spe spk spm spp spr sps spt sr- sra src sre srk srm srp srr srs srt ss- ssa ssc sse ssk ssm ssp ssr sss sst sta stc ste stk stm stp str sts stt taa tac tae tak tam tap tar tas tat tca tcc tce tck tcm tcp tcr tcs tct te- tea tec tee tek tem tep ter tes tet tka tkc tke tkk tkm tkp tkr tks tkt tma tmc tme tmk tmm tmp tmr tms tmt tpa tpc tpe tpk tpm tpp tpr tps tpt tra trc tre trk trm trp trr trs trt tsa tsc tse tsk tsm tsp tsr tss tst tta ttc tte ttk ttm ttp ttr tts ttt