-er -ey -ic -ji a-a a-c a-i aaa aac aae aag aai aaj aar aay ac- aca acc ace acg aci acj acr acy aea aec aee aeg aei aej aer aey ag- aga agc age agg agi agj agr agy ai- aia aic aie aig aii air aiy aja ajc aje aji ajj ajr ajy ar- ara arc are arg ari arj arr ary ay- aya ayc aye ayi ayr c-- c-j caa cac cae cag cai caj car cay cca ccc cce ccg cci ccj ccr ce- cea cec cee ceg cei cej cer cey cga cgc cge cgg cgi cgr cgy ci- cia cic cie cig cii cij cir cja cjc cjg cjr cra crc cre crg cri crj crr cry cya cyc cye cyg cyr eaa eac eae eag eai eaj ear ec- eca ecc ece ecg eci ecj ecr eea eec eee eeg eer eey ega egc ege egg egi egr egy eia eic eie eig eii eij eir eja ejc eji era erc ere erg eri err ery eya eyc eye eyr gaa gac gae gag gai gaj gar gay gca gcc gce gcg gci gcr ge- gea gec gee geg gei ger gey gga ggc ggg ggi ggj ggr gia gic gie gig gii gij gir giy gja gjc gje gjg gjr gra grc gre grg gri grj grr gry gy- gya gye gyr ia- iaa iac iae iag iai iar ica icc ice icg ici icj icr icy ie- iea iec iee ieg iei iej ier iey iga igc ige igg igi igr igy iia iic iie iii iij iir ija ijc ije ijg iji ir- ira irc ire irg iri irj irr iry iya iyc iye iyr iyy j-i jaa jac jae jag jai jaj jar jay jca jcc jce jci jcr jea jec jee jeg jei jej jer jey jga jge jgi jgr jia jic jie jig jii jij jir jiy jja jjc jjg jjj jjr jjy jra jrc jrg jri jrr jyj jyr ra- raa rac rae rag rai raj rar ray rca rcc rce rcg rci rcj rcr re- rea rec ree reg rei rer rey rga rgc rge rgg rgi rgr ria ric rie rig rii rir riy rja rjc rjg rjr rra rrc rrg rri rrr ry- rya ryc rye ryg ryr ryy yaa yac yae yag yai yar yay yca ycc yce yci ycy yea yec yee yeg yei yer yey yga ygc yie yig yii yir yra yrc yre yrg yyc yye yyg yyy