-er a-a a-c a-t aaa aac aae aak aam aap aar aat ac- aca acc ace ack acm acp acr act aea aec aee aek aem aep aer aet aka akc ake akk akm akp akr ama amc ame amk amm amp amr amt ap- apa apc ape apk apm app apr apt ar- ara arc are ark arm arp arr art at- ata atc ate atm atp atr att c-- caa cac cae cak cam cap car cat cca ccc cce cck ccm ccp ccr cct ce- cea cec cee cek cem cep cer cet cka ckc ckm ckt cma cmc cme cmk cmm cmp cmr cmt cpa cpc cpe cpk cpm cpp cpr cpt cra crc cre crk crm crp crr crt cta ctc cte ctk ctm ctp ctr ctt eaa eac eae eak eam eap ear eat ec- eca ecc ece eck ecm ecr ect eea eec eee eek eem eep eer eet eka ekc eke ekp ekr ekt em- ema emc eme emk emm emp emr emt ep- epa epc epe epm epp epr ept era erc ere erk erm erp err ert eta etc ete etk etm etp etr ett k-t ka- kaa kac kae kak kam kap kar kat kca kcc kce kck kcm kcp kcr kct ke- kea kec kee kek kem kep ker ket kkc kke kkk kkm kkp kkr kkt kma kmc kme kmk kmm kmp kmt kpa kpc kpe kpk kpm kpp kpr kpt kra krc krk krp krr krt kta ktc kte ktk ktm ktp ktr ktt m-r maa mac mae mak mam map mar mat mc- mca mcc mce mck mcm mcp mcr mct mea mec mee mek mem mep mer met mka mkc mke mkk mkm mkp mkr mkt mma mmc mme mmk mmm mmp mmr mmt mpa mpc mpe mpk mpm mpp mpr mpt mra mrc mre mrk mrm mrp mrr mrt mta mtc mte mtk mtm mtp mtr mtt p-p paa pac pae pak pam pap par pat pca pcc pce pck pcm pcp pcr pct pea pec pee pek pem pep per pet pka pkc pke pkm pkp pkr pkt pma pmc pme pmk pmm pmp pmr pmt ppa ppc ppe ppk ppm ppp ppr ppt pra prc pre prk prm prp prr prt pt- pta ptc pte ptk ptm ptp ptr ptt ra- raa rac rae rak ram rap rar rat rca rcc rce rcm rcp rcr rct re- rea rec ree rek rem rep rer ret rkc rke rkk rkm rkp rkt rma rmc rme rmm rmp rmr rmt rpa rpc rpe rpk rpm rpp rpr rpt rra rrc rrk rrm rrp rrr rrt rta rtc rte rtk rtm rtp rtr rtt taa tac tae tak tam tap tar tat tca tcc tce tck tcm tcp tcr tct te- tea tec tee tek tem tep ter tet tka tkc tke tkk tkm tkp tkr tkt tma tmc tme tmk tmm tmp tmr tmt tpa tpc tpe tpk tpm tpp tpr tpt tra trc tre trk trm trp trr trt tta ttc tte ttk ttm ttp ttr ttt