-er -ey a-a a-b a-i aaa aab aae aai aan aao aap aar aas aay ab- aba abb abe abi abn abo abp abr abs aby aea aeb aee aei aen aeo aep aer aes aey ai- aia aib aie aii ain aio aip air ais aiy an- ana anb ane ani ann ano anp anr ans any aoa aob aoe aoi aon aoo aop aor aos ap- apa apb ape api apn apo app apr aps apy ar- ara arb are ari arn aro arp arr ars ary as- asa asb ase asi asn aso asp asr ass asy ay- aya aye ayi ayn ayo ayp ayr ays b-p baa bab bae bai ban bao bap bar bas bay bba bbb bbe bbi bbn bbo bbp bbr bbs bby be- bea beb bee bei ben beo bep ber bes bey bi- bia bib bie bii bin bio bip bir bis biy bna bnb bne bni bnn bno bnp bnr bns boa bob boe boi bon boo bop bor bos boy bpa bpb bpe bpi bpn bpo bpp bpr bps bpy bra brb bre bri brn bro brp brr brs bry bsa bsb bse bsi bsn bso bsp bsr bss bsy by- bya bye byi byn byo byp byr bys eaa eab eae eai ean eao eap ear eas eba ebb ebe ebi ebn ebo ebp ebr ebs eby eea eeb eee een eeo eep eer ees eey eia eib eie eii ein eio eip eir eis en- ena enb ene eni enn eno enp enr ens eny eo- eoa eob eoe eoi eon eoo eop eor eos ep- epa epb epe epi epn epo epp epr eps era erb ere eri ern ero erp err ers ery es- esa esb ese esi esn eso esp esr ess esy eya eye eyn eyo eyp eyr eys ia- iaa iab iae iai ian iao iap iar ias iba ibb ibe ibi ibn ibo ibp ibr ibs iby ie- iea iee iei ien iep ier ies iey iia iib iie iii iin iio iip iir iis in- ina inb ine ini inn ino inp inr ins iny io- ioa iob ioe ioi ion ioo iop ior ios ipa ipb ipe ipi ipn ipo ipp ipr ips ipy ir- ira irb ire iri irn iro irp irr irs iry is- isa isb ise isi isn iso isp isr iss isy iya iye iyo iyr iys iyy n-i naa nab nae nai nan nao nap nar nas nay nba nbb nbe nbi nbn nbo nbp nbr nbs ne- nea neb nee nei nen neo nep ner nes ney nia nib nie nii nin nio nip nir nis nna nnb nne nni nnn nno nnp nns no- noa nob noe noi non noo nop nor nos noy npa npb npe npi npn npo npp npr nps nra nrb nre nri nrn nro nrp nrr nrs nry nsa nsb nse nsi nsn nso nsp nsr nss nsy nya nye nyn nyo nyp nys nyy o-i oaa oab oae oai oan oao oap oar oas ob- oba obb obe obi obn obo obp obr obs oby oea oeb oee oei oen oeo oep oer oes oey oia oib oie oii oin oio oip oir ois on- ona onb one oni onn ono onp onr ons ony oo- ooa oob ooi oon ooo oop oor oos op- opa opb ope opi opn opo opp opr ops opy or- ora orb ore ori orn oro orp orr ors ory os- osa osb ose osi osn oso osp osr oss oya oye oyi oyo oys p-p paa pab pae pai pan pao pap par pas pay pba pbb pbe pbi pbn pbo pbp pbr pbs pby pea peb pee pei pen peo pep per pes pey pia pib pie pii pin pio pip pir pis pn- pna pnb pne pni pnn pno pnp pnr pns pny poa pob poe poi pon poo pop por pos poy ppa ppb ppe ppi ppn ppo ppp ppr pps pra prb pre pri prn pro prp prr prs pry ps- psa psb pse psi psn pso psp psr pss psy py- pya pyb pye pyn pyo pyr pys ra- raa rab rae rai ran rao rap rar ras ray rba rbb rbe rbi rbn rbo rbp rbr rbs re- rea reb ree rei ren reo rep rer res rey ria rib rie rii rin rio rip rir ris riy rna rnb rni rnn rno rnp rnr rns rny roa rob roe roi ron roo rop ror ros roy rpa rpb rpe rpi rpn rpo rpp rpr rps rra rrb rri rrn rrp rrr rrs rsa rsb rse rsi rsn rso rsp rsr rss ry- rya rye ryn ryo ryr rys ryy saa sab sae sai san sao sap sar sas say sba sbb sbe sbi sbn sbo sbp sbr sbs sby se- sea seb see sei sen seo sep ser ses sey sia sib sie sii sin sio sip sir sis sna snb sne sni snn sno snp snr sns sny soa sob soe soi son soo sop sor sos soy spa spb spe spi spn spo spp spr sps spy sr- sra srb sre sri srn sro srp srr srs sry ss- ssa ssb sse ssi ssn sso ssp ssr sss sy- sya syb sye syi syn syp syr sys yaa yab yae yai yan yao yap yar yas yay ybe ybi ybp ybr ybs yby yea yeb yee yei yen yeo yep yer yes yey yie yii yin yio yip yir yis yna yne ynn ynp yns yny yob yoe yoi yon yoo yop yor yos yoy ypa ypo yps yra yre yrn yro yrp yrs ysa ysb yse ysi yso ysp ysr yss ysy yyb yye yys yyy