-er -ey a-a a-c aaa aac aae aag aan aap aar aay ac- aca acc ace acg acn acp acr acy aea aec aee aeg aen aep aer aey ag- aga agc age agg agn agp agr agy an- ana anc ane ang ann anp anr any ap- apa apc ape apg apn app apr apy ar- ara arc are arg arn arp arr ary ay- aya ayc aye ayn ayp ayr c-- caa cac cae cag can cap car cay cca ccc cce ccg ccn ccp ccr ce- cea cec cee ceg cen cep cer cey cga cgc cge cgg cgn cgp cgr cgy cn- cna cnc cne cng cnn cnp cnr cny cpa cpc cpe cpg cpn cpp cpr cra crc cre crg crn crp crr cry cya cyc cye cyg cyn cyp cyr eaa eac eae eag ean eap ear ec- eca ecc ece ecg ecn ecr eea eec eee eeg een eep eer eey ega egc ege egg egn egp egr egy en- ena enc ene eng enn enp enr eny ep- epa epc epe epg epn epp epr era erc ere erg ern erp err ery eya eyc eye eyn eyp eyr g-p gaa gac gae gag gan gap gar gay gca gcc gce gcg gcn gcp gcr ge- gea gec gee geg gen gep ger gey gga ggc ggg ggn ggp ggr gna gnc gne gnn gnp gnr gpa gpc gpe gpg gpn gpp gpr gra grc gre grg grn grp grr gry gy- gya gye gyn gyp gyr naa nac nae nag nan nap nar nay nca ncc nce ncg ncn ncp ncr ne- nea nec nee neg nen nep ner ney nga ngc nge ngg ngn ngp nna nnc nne nng nnn nnp npa npc npe npg npn npp npr nra nrc nre nrg nrn nrp nrr nry nya nyc nye nyg nyn nyp nyy p-p paa pac pae pag pan pap par pay pca pcc pce pcg pcn pcp pcr pea pec pee peg pen pep per pey pga pgc pge pgg pgn pgp pgr pgy pn- pna pnc pne png pnn pnp pnr pny ppa ppc ppe ppg ppn ppp ppr pra prc pre prg prn prp prr pry py- pya pyc pye pyg pyn pyr ra- raa rac rae rag ran rap rar ray rca rcc rce rcg rcn rcp rcr re- rea rec ree reg ren rep rer rey rga rgc rge rgg rgn rgp rgr rna rnc rng rnn rnp rnr rny rpa rpc rpe rpg rpn rpp rpr rra rrc rrg rrn rrp rrr ry- rya ryc rye ryg ryn ryr ryy yaa yac yae yag yan yap yar yay yca ycc yce ycp ycy yea yec yee yeg yen yep yer yey yga ygc yna yne yng ynn ynp yny ypa ypg yra yrc yre yrg yrn yrp yyc yye yyg yyy