-er -ey a-a a-b a-i aaa aab aae aai aan aap aar aas aay ab- aba abb abe abi abn abp abr abs aby aea aeb aee aei aen aep aer aes aey ai- aia aib aie aii ain aip air ais aiy an- ana anb ane ani ann anp anr ans any ap- apa apb ape api apn app apr aps apy ar- ara arb are ari arn arp arr ars ary as- asa asb ase asi asn asp asr ass asy ay- aya aye ayi ayn ayp ayr ays b-p baa bab bae bai ban bap bar bas bay bba bbb bbe bbi bbn bbp bbr bbs bby be- bea beb bee bei ben bep ber bes bey bi- bia bib bie bii bin bip bir bis biy bna bnb bne bni bnn bnp bnr bns bpa bpb bpe bpi bpn bpp bpr bps bpy bra brb bre bri brn brp brr brs bry bsa bsb bse bsi bsn bsp bsr bss bsy by- bya bye byi byn byp byr bys eaa eab eae eai ean eap ear eas eba ebb ebe ebi ebn ebp ebr ebs eby eea eeb eee een eep eer ees eey eia eib eie eii ein eip eir eis en- ena enb ene eni enn enp enr ens eny ep- epa epb epe epi epn epp epr eps era erb ere eri ern erp err ers ery es- esa esb ese esi esn esp esr ess esy eya eye eyn eyp eyr eys ia- iaa iab iae iai ian iap iar ias iba ibb ibe ibi ibn ibp ibr ibs iby ie- iea iee iei ien iep ier ies iey iia iib iie iii iin iip iir iis in- ina inb ine ini inn inp inr ins iny ipa ipb ipe ipi ipn ipp ipr ips ipy ir- ira irb ire iri irn irp irr irs iry is- isa isb ise isi isn isp isr iss isy iya iye iyr iys iyy n-i naa nab nae nai nan nap nar nas nay nba nbb nbe nbi nbn nbp nbr nbs ne- nea neb nee nei nen nep ner nes ney nia nib nie nii nin nip nir nis nna nnb nne nni nnn nnp nns npa npb npe npi npn npp npr nps nra nrb nre nri nrn nrp nrr nrs nry nsa nsb nse nsi nsn nsp nsr nss nsy nya nye nyn nyp nys nyy p-p paa pab pae pai pan pap par pas pay pba pbb pbe pbi pbn pbp pbr pbs pby pea peb pee pei pen pep per pes pey pia pib pie pii pin pip pir pis pn- pna pnb pne pni pnn pnp pnr pns pny ppa ppb ppe ppi ppn ppp ppr pps pra prb pre pri prn prp prr prs pry ps- psa psb pse psi psn psp psr pss psy py- pya pyb pye pyn pyr pys ra- raa rab rae rai ran rap rar ras ray rba rbb rbe rbi rbn rbp rbr rbs re- rea reb ree rei ren rep rer res rey ria rib rie rii rin rip rir ris riy rna rnb rni rnn rnp rnr rns rny rpa rpb rpe rpi rpn rpp rpr rps rra rrb rri rrn rrp rrr rrs rsa rsb rse rsi rsn rsp rsr rss ry- rya rye ryn ryr rys ryy saa sab sae sai san sap sar sas say sba sbb sbe sbi sbn sbp sbr sbs sby se- sea seb see sei sen sep ser ses sey sia sib sie sii sin sip sir sis sna snb sne sni snn snp snr sns sny spa spb spe spi spn spp spr sps spy sr- sra srb sre sri srn srp srr srs sry ss- ssa ssb sse ssi ssn ssp ssr sss sy- sya syb sye syi syn syp syr sys yaa yab yae yai yan yap yar yas yay ybe ybi ybp ybr ybs yby yea yeb yee yei yen yep yer yes yey yie yii yin yip yir yis yna yne ynn ynp yns yny ypa yps yra yre yrn yrp yrs ysa ysb yse ysi ysp ysr yss ysy yyb yye yys yyy