-ey -ic a-a a-b a-c a-i aaa aab aac aae aai aap aas aay ab- aba abb abc abe abi abp abs aby ac- aca acb acc ace aci acp acs acy aea aeb aec aee aei aep aes aey ai- aia aib aic aie aii aip ais aiy ap- apa apb apc ape api app aps apy as- asa asb asc ase asi asp ass asy ay- aya ayc aye ayi ayp ays b-p baa bab bac bae bai bap bas bay bba bbb bbc bbe bbi bbp bbs bby bca bcb bcc bce bci bcp bcs bcy be- bea beb bec bee bei bep bes bey bi- bia bib bic bie bii bip bis biy bpa bpb bpc bpe bpi bpp bps bpy bsa bsb bsc bse bsi bsp bss bsy by- bya byc bye byi byp bys c-- caa cab cac cae cai cap cas cay cba cbb cbc cbe cbi cbp cbs cby cca ccb ccc cce cci ccp ccs ce- cea ceb cec cee cei cep ces cey ci- cia cib cic cie cii cip cis cpa cpb cpc cpe cpi cpp cps csa csb csc cse csi csp css csy cya cyb cyc cye cyp cys eaa eab eac eae eai eap eas eba ebb ebc ebe ebi ebp ebs eby ec- eca ecb ecc ece eci ecs eea eeb eec eee eep ees eey eia eib eic eie eii eip eis ep- epa epb epc epe epi epp eps es- esa esb esc ese esi esp ess esy eya eyc eye eyp eys ia- iaa iab iac iae iai iap ias iba ibb ibc ibe ibi ibp ibs iby ica icb icc ice ici icp ics icy ie- iea iec iee iei iep ies iey iia iib iic iie iii iip iis ipa ipb ipc ipe ipi ipp ips ipy is- isa isb isc ise isi isp iss isy iya iyc iye iys iyy p-p paa pab pac pae pai pap pas pay pba pbb pbc pbe pbi pbp pbs pby pca pcb pcc pce pci pcp pcs pea peb pec pee pei pep pes pey pia pib pic pie pii pip pis ppa ppb ppc ppe ppi ppp pps ps- psa psb psc pse psi psp pss psy py- pya pyb pyc pye pys saa sab sac sae sai sap sas say sba sbb sbc sbe sbi sbp sbs sby sca scb scc sce sci scp scs se- sea seb sec see sei sep ses sey sia sib sic sie sii sip sis spa spb spc spe spi spp sps spy ss- ssa ssb ssc sse ssi ssp sss sy- sya syb syc sye syi syp sys yaa yab yac yae yai yap yas yay ybc ybe ybi ybp ybs yby yca ycc yce yci ycp ycs ycy yea yeb yec yee yei yep yes yey yie yii yip yis ypa yps ysa ysb ysc yse ysi ysp yss ysy yyb yyc yye yys yyy