-er -ey -ic a-a a-b a-c a-i aaa aab aac aae aai aap aar aay ab- aba abb abc abe abi abp abr aby ac- aca acb acc ace aci acp acr acy aea aeb aec aee aei aep aer aey ai- aia aib aic aie aii aip air aiy ap- apa apb apc ape api app apr apy ar- ara arb arc are ari arp arr ary ay- aya ayc aye ayi ayp ayr b-p baa bab bac bae bai bap bar bay bba bbb bbc bbe bbi bbp bbr bby bca bcb bcc bce bci bcp bcr bcy be- bea beb bec bee bei bep ber bey bi- bia bib bic bie bii bip bir biy bpa bpb bpc bpe bpi bpp bpr bpy bra brb bre bri brp brr bry by- bya byc bye byi byp byr c-- caa cab cac cae cai cap car cay cba cbb cbc cbe cbi cbp cbr cby cca ccb ccc cce cci ccp ccr ce- cea ceb cec cee cei cep cer cey ci- cia cib cic cie cii cip cir cpa cpb cpc cpe cpi cpp cpr cra crb crc cre cri crp crr cry cya cyb cyc cye cyp cyr eaa eab eac eae eai eap ear eba ebb ebc ebe ebi ebp ebr eby ec- eca ecb ecc ece eci ecr eea eeb eec eee eep eer eey eia eib eic eie eii eip eir ep- epa epb epc epe epi epp epr era erb erc ere eri erp err ery eya eyc eye eyp eyr ia- iaa iab iac iae iai iap iar iba ibb ibc ibe ibi ibp ibr iby ica icb icc ice ici icp icr icy ie- iea iec iee iei iep ier iey iia iib iic iie iii iip iir ipa ipb ipc ipe ipi ipp ipr ipy ir- ira irb irc ire iri irp irr iry iya iyc iye iyr iyy p-p paa pab pac pae pai pap par pay pba pbb pbc pbe pbi pbp pbr pby pca pcb pcc pce pci pcp pcr pea peb pec pee pei pep per pey pia pib pic pie pii pip pir ppa ppb ppc ppe ppi ppp ppr pra prb prc pre pri prp prr pry py- pya pyb pyc pye pyr ra- raa rab rac rae rai rap rar ray rba rbb rbc rbe rbi rbp rbr rca rcb rcc rce rci rcp rcr re- rea reb rec ree rei rep rer rey ria rib ric rie rii rip rir riy rpa rpb rpc rpe rpi rpp rpr rra rrb rrc rri rrp rrr ry- rya ryc rye ryr ryy yaa yab yac yae yai yap yar yay ybc ybe ybi ybp ybr yby yca ycc yce yci ycp ycy yea yeb yec yee yei yep yer yey yie yii yip yir ypa yra yrc yre yrp yyb yyc yye yyy