-er -ey a-a a-b a-i aaa aab aae aai aar aas aav aay ab- aba abb abe abi abr abs abv aby aea aeb aee aei aer aes aev aey ai- aia aib aie aii air ais aiv aiy ar- ara arb are ari arr ars arv ary as- asa asb ase asi asr ass asv asy av- ava avb ave avi avr avs avy ay- aya aye ayi ayr ays baa bab bae bai bar bas bav bay bba bbb bbe bbi bbr bbs bby be- bea beb bee bei ber bes bev bey bi- bia bib bie bii bir bis biv biy bra brb bre bri brr brs brv bry bsa bsb bse bsi bsr bss bsv bsy bva bvb bve bvi bvr bvs bvv by- bya bye byi byr bys eaa eab eae eai ear eas eav eba ebb ebe ebi ebr ebs ebv eby eea eeb eee eer ees eev eey eia eib eie eii eir eis eiv era erb ere eri err ers erv ery es- esa esb ese esi esr ess esv esy eva evb eve evi evr evs evv evy eya eye eyr eys i-v ia- iaa iab iae iai iar ias iav iba ibb ibe ibi ibr ibs ibv iby ie- iea iee iei ier ies iev iey iia iib iie iii iir iis ir- ira irb ire iri irr irs irv iry is- isa isb ise isi isr iss isv isy iva ivb ive ivi ivr ivs ivv ivy iya iye iyr iys iyy ra- raa rab rae rai rar ras rav ray rba rbb rbe rbi rbr rbs re- rea reb ree rei rer res rev rey ria rib rie rii rir ris riv riy rra rrb rri rrr rrs rsa rsb rse rsi rsr rss rsv rva rvb rve rvi rvr rvs rvv rvy ry- rya rye ryr rys ryy saa sab sae sai sar sas sav say sba sbb sbe sbi sbr sbs sbv sby se- sea seb see sei ser ses sev sey sia sib sie sii sir sis siv sr- sra srb sre sri srr srs srv sry ss- ssa ssb sse ssi ssr sss ssv sva svb sve svi svr svs svv svy sy- sya syb sye syi syr sys v-a v-e vaa vab vae vai var vas vav vay vba vbi vbr vbs vbv vea veb vee vei ver ves vey vi- via vib vie vii vir vis viv viy vra vrb vre vri vrr vrs vry vsa vsb vse vsi vsr vss vsv vva vvb vvi vvr vvs vvv vye yaa yab yae yai yar yas yav yay ybe ybi ybr ybs yby yea yeb yee yei yer yes yev yey yie yii yir yis yra yre yrs ysa ysb yse ysi ysr yss ysy yva yve yvi yvr yvy yyb yye yys yyy