-er -ic a-a a-c a-i a-t aaa aac aae aag aai aam aap aar aat ac- aca acc ace acg aci acm acp acr act aea aec aee aeg aei aem aep aer aet ag- aga agc age agg agi agm agp agr agt ai- aia aic aie aig aii aim aip air ait ama amc ame amg ami amm amp amr amt ap- apa apc ape apg api apm app apr apt ar- ara arc are arg ari arm arp arr art at- ata atc ate atg ati atm atp atr att c-- caa cac cae cag cai cam cap car cat cca ccc cce ccg cci ccm ccp ccr cct ce- cea cec cee ceg cei cem cep cer cet cga cgc cge cgg cgi cgm cgp cgr cgt ci- cia cic cie cig cii cim cip cir cit cma cmc cme cmg cmi cmm cmp cmr cmt cpa cpc cpe cpg cpi cpm cpp cpr cpt cra crc cre crg cri crm crp crr crt cta ctc cte ctg cti ctm ctp ctr ctt eaa eac eae eag eai eam eap ear eat ec- eca ecc ece ecg eci ecm ecr ect eea eec eee eeg eem eep eer eet ega egc ege egg egi egm egp egr egt eia eic eie eig eii eim eip eir eit em- ema emc eme emg emi emm emp emr emt ep- epa epc epe epg epi epm epp epr ept era erc ere erg eri erm erp err ert eta etc ete etg eti etm etp etr ett g-p gaa gac gae gag gai gam gap gar gat gca gcc gce gcg gci gcm gcp gcr gct ge- gea gec gee geg gei gem gep ger get gga ggc ggg ggi ggm ggp ggr ggt gia gic gie gig gii gim gip gir git gma gmc gme gmg gmi gmm gmp gmr gmt gpa gpc gpe gpg gpi gpm gpp gpr gpt gra grc gre grg gri grm grp grr grt gta gtc gte gtg gti gtm gtp gtr gtt ia- iaa iac iae iag iai iam iap iar iat ica icc ice icg ici icm icp icr ict ie- iea iec iee ieg iei iem iep ier iet iga igc ige igg igi igm igp igr igt iia iic iie iii iim iip iir iit im- ima imc ime img imi imm imp imt ipa ipc ipe ipg ipi ipm ipp ipr ipt ir- ira irc ire irg iri irm irp irr irt ita itc ite itg iti itm itp itt m-r maa mac mae mag mai mam map mar mat mc- mca mcc mce mcg mci mcm mcp mcr mct mea mec mee meg mei mem mep mer met mga mgc mge mgi mgm mgp mgr mgt mi- mia mic mie mig mii mim mip mir mit mma mmc mme mmg mmi mmm mmp mmr mmt mpa mpc mpe mpg mpi mpm mpp mpr mpt mra mrc mre mrg mri mrm mrp mrr mrt mta mtc mte mtg mti mtm mtp mtr mtt p-p paa pac pae pag pai pam pap par pat pca pcc pce pcg pci pcm pcp pcr pct pea pec pee peg pei pem pep per pet pga pgc pge pgg pgi pgm pgp pgr pgt pia pic pie pig pii pim pip pir pit pma pmc pme pmg pmi pmm pmp pmr pmt ppa ppc ppe ppg ppi ppm ppp ppr ppt pra prc pre prg pri prm prp prr prt pt- pta ptc pte ptg pti ptm ptp ptr ptt ra- raa rac rae rag rai ram rap rar rat rca rcc rce rcg rci rcm rcp rcr rct re- rea rec ree reg rei rem rep rer ret rga rgc rge rgg rgi rgp rgr rgt ria ric rie rig rii rim rip rir rit rma rmc rme rmg rmi rmm rmp rmr rmt rpa rpc rpe rpg rpi rpm rpp rpr rpt rra rrc rrg rri rrm rrp rrr rrt rta rtc rte rtg rti rtm rtp rtr rtt taa tac tae tag tai tam tap tar tat tca tcc tce tcg tci tcm tcp tcr tct te- tea tec tee teg tei tem tep ter tet tga tgc tge tgg tgi tgm tgp tgr tgt tia tic tie tig tii tim tip tir tit tma tmc tme tmg tmi tmm tmp tmr tmt tpa tpc tpe tpg tpi tpm tpp tpr tpt tra trc tre trg tri trm trp trr trt tta ttc tte ttg tti ttm ttp ttr ttt