-er -ey a-a a-c aaa aac aae aag aan aao aap aar aay ac- aca acc ace acg acn aco acp acr acy aea aec aee aeg aen aeo aep aer aey ag- aga agc age agg agn ago agp agr agy an- ana anc ane ang ann ano anp anr any aoa aoc aoe aog aon aoo aop aor ap- apa apc ape apg apn apo app apr apy ar- ara arc are arg arn aro arp arr ary ay- aya ayc aye ayn ayo ayp ayr c-- caa cac cae cag can cao cap car cay cca ccc cce ccg ccn cco ccp ccr ce- cea cec cee ceg cen ceo cep cer cey cga cgc cge cgg cgn cgo cgp cgr cgy cn- cna cnc cne cng cnn cno cnp cnr cny co- coa coc coe cog con coo cop cor coy cpa cpc cpe cpg cpn cpo cpp cpr cra crc cre crg crn cro crp crr cry cya cyc cye cyg cyn cyo cyp cyr eaa eac eae eag ean eao eap ear ec- eca ecc ece ecg ecn eco ecr eea eec eee eeg een eeo eep eer eey ega egc ege egg egn ego egp egr egy en- ena enc ene eng enn eno enp enr eny eo- eoa eoc eoe eog eon eoo eop eor ep- epa epc epe epg epn epo epp epr era erc ere erg ern ero erp err ery eya eyc eye eyn eyo eyp eyr g-p gaa gac gae gag gan gao gap gar gay gca gcc gce gcg gcn gco gcp gcr ge- gea gec gee geg gen geo gep ger gey gga ggc ggg ggn ggo ggp ggr gna gnc gne gnn gno gnp gnr goa goc goe gog gon goo gop gor goy gpa gpc gpe gpg gpn gpo gpp gpr gra grc gre grg grn gro grp grr gry gy- gya gye gyn gyo gyp gyr naa nac nae nag nan nao nap nar nay nca ncc nce ncg ncn nco ncp ncr ne- nea nec nee neg nen neo nep ner ney nga ngc nge ngg ngn ngo ngp nna nnc nne nng nnn nno nnp no- noa noc noe nog non noo nop nor noy npa npc npe npg npn npo npp npr nra nrc nre nrg nrn nro nrp nrr nry nya nyc nye nyg nyn nyo nyp nyy oaa oac oae oag oan oao oap oar oc- oca occ ocg ocn oco ocp ocr oea oec oee oeg oen oeo oep oer oey oga ogc oge ogg ogn ogo ogp ogy on- ona onc one ong onn ono onp onr ony oo- ooa ooc oog oon ooo oop oor op- opa opc ope opg opn opo opp opr opy or- ora orc ore org orn oro orp orr ory oya oye oyo p-p paa pac pae pag pan pao pap par pay pca pcc pce pcg pcn pco pcp pcr pea pec pee peg pen peo pep per pey pga pgc pge pgg pgn pgo pgp pgr pgy pn- pna pnc pne png pnn pno pnp pnr pny poa poc poe pog pon poo pop por poy ppa ppc ppe ppg ppn ppo ppp ppr pra prc pre prg prn pro prp prr pry py- pya pyc pye pyg pyn pyo pyr ra- raa rac rae rag ran rao rap rar ray rca rcc rce rcg rcn rco rcp rcr re- rea rec ree reg ren reo rep rer rey rga rgc rge rgg rgn rgo rgp rgr rna rnc rng rnn rno rnp rnr rny roa roc roe rog ron roo rop ror roy rpa rpc rpe rpg rpn rpo rpp rpr rra rrc rrg rrn rrp rrr ry- rya ryc rye ryg ryn ryo ryr ryy yaa yac yae yag yan yao yap yar yay yca ycc yce yco ycp ycy yea yec yee yeg yen yeo yep yer yey yga ygc ygo yna yne yng ynn ynp yny yoc yoe yog yon yoo yop yor yoy ypa ypg ypo yra yrc yre yrg yrn yro yrp yyc yye yyg yyy