-er -ey -ic a-a a-b a-c a-i aaa aab aac aae aai aan aao aar aas aau aay ab- aba abb abc abe abi abn abo abr abs abu aby ac- aca acb acc ace aci acn aco acr acs acu acy aea aeb aec aee aei aen aeo aer aes aeu aey ai- aia aib aic aie aii ain aio air ais aiu aiy an- ana anb anc ane ani ann ano anr ans anu any aoa aob aoc aoe aoi aon aoo aor aos aou ar- ara arb arc are ari arn aro arr ars aru ary as- asa asb asc ase asi asn aso asr ass asu asy au- aua aub auc aue aui aun auo aur aus ay- aya ayc aye ayi ayn ayo ayr ays ayu b-u baa bab bac bae bai ban bao bar bas bau bay bba bbb bbc bbe bbi bbn bbo bbr bbs bbu bby bca bcb bcc bce bci bcn bco bcr bcs bcu bcy be- bea beb bec bee bei ben beo ber bes beu bey bi- bia bib bic bie bii bin bio bir bis biu biy bna bnb bnc bne bni bnn bno bnr bns bnu boa bob boc boe boi bon boo bor bos bou boy bra brb bre bri brn bro brr brs bru bry bsa bsb bsc bse bsi bsn bso bsr bss bsu bsy bua bub buc bue bui bun buo bur bus buu buy by- bya byc bye byi byn byo byr bys byu c-- caa cab cac cae cai can cao car cas cau cay cba cbb cbc cbe cbi cbn cbo cbr cbs cbu cby cca ccb ccc cce cci ccn cco ccr ccs ccu ce- cea ceb cec cee cei cen ceo cer ces ceu cey ci- cia cib cic cie cii cin cio cir cis ciu cn- cna cnb cnc cne cni cnn cno cnr cns cnu cny co- coa cob coc coe coi con coo cor cos cou coy cra crb crc cre cri crn cro crr crs cru cry csa csb csc cse csi csn cso csr css csu csy cua cub cuc cue cui cun cuo cur cus cuu cuy cya cyb cyc cye cyn cyo cyr cys eaa eab eac eae eai ean eao ear eas eau eba ebb ebc ebe ebi ebn ebo ebr ebs ebu eby ec- eca ecb ecc ece eci ecn eco ecr ecs ecu eea eeb eec eee een eeo eer ees eey eia eib eic eie eii ein eio eir eis eiu en- ena enb enc ene eni enn eno enr ens enu eny eo- eoa eob eoc eoe eoi eon eoo eor eos eou era erb erc ere eri ern ero err ers eru ery es- esa esb esc ese esi esn eso esr ess esu esy eu- eua eub euc eue eui eun eur eus eya eyc eye eyn eyo eyr eys ia- iaa iab iac iae iai ian iao iar ias iau iba ibb ibc ibe ibi ibn ibo ibr ibs ibu iby ica icb icc ice ici icn ico icr ics icu icy ie- iea iec iee iei ien ier ies iey iia iib iic iie iii iin iio iir iis iiu in- ina inb inc ine ini inn ino inr ins inu iny io- ioa iob ioc ioe ioi ion ioo ior ios iou ir- ira irb irc ire iri irn iro irr irs iru iry is- isa isb isc ise isi isn iso isr iss isu isy iu- iua iub iuc iue iui iur ius iya iyc iye iyo iyr iys iyy n-i naa nab nac nae nai nan nao nar nas nau nay nba nbb nbc nbe nbi nbn nbo nbr nbs nbu nca ncb ncc nce nci ncn nco ncr ncs ncu ne- nea neb nec nee nei nen neo ner nes neu ney nia nib nic nie nii nin nio nir nis niu nna nnb nnc nne nni nnn nno nns nnu no- noa nob noc noe noi non noo nor nos nou noy nra nrb nrc nre nri nrn nro nrr nrs nru nry nsa nsb nsc nse nsi nsn nso nsr nss nsu nsy nua nub nuc nue nui nun nuo nur nus nuu nuy nya nyc nye nyn nyo nys nyu nyy o-i oaa oab oac oae oai oan oao oar oas oau ob- oba obb obc obe obi obn obo obr obs obu oby oc- oca ocb occ oci ocn oco ocr ocs ocu oea oeb oec oee oei oen oeo oer oes oey oia oib oic oie oii oin oio oir ois oiu on- ona onb onc one oni onn ono onr ons onu ony oo- ooa oob ooc ooi oon ooo oor oos or- ora orb orc ore ori orn oro orr ors oru ory os- osa osb osc ose osi osn oso osr oss osu ou- oua ouc oue oui oun ouo our ous oya oye oyi oyo oys ra- raa rab rac rae rai ran rao rar ras rau ray rba rbb rbc rbe rbi rbn rbo rbr rbs rbu rca rcb rcc rce rci rcn rco rcr rcs rcu re- rea reb rec ree rei ren reo rer res reu rey ria rib ric rie rii rin rio rir ris riy rna rnb rnc rni rnn rno rnr rns rnu rny roa rob roc roe roi ron roo ror ros rou roy rra rrb rrc rri rrn rrr rrs rru rsa rsb rsc rse rsi rsn rso rsr rss rsu rua rub ruc rue rui run ruo rur rus ruu ruy ry- rya ryc rye ryn ryo ryr rys ryu ryy saa sab sac sae sai san sao sar sas sau say sba sbb sbc sbe sbi sbn sbo sbr sbs sbu sby sca scb scc sce sci scn sco scr scs scu se- sea seb sec see sei sen seo ser ses seu sey sia sib sic sie sii sin sio sir sis siu sna snb snc sne sni