-er -ey -ic bbb bbc bbe bbi bbr bbs bby bcb bcc bce bci bcr bcs bcv bcy be- beb bec bee bei ber bes bev bey bi- bib bic bie bii bir bis biv biy brb bre bri brr brs brv bry bsb bsc bse bsi bsr bss bsv bsy bvb bvc bve bvi bvr bvs bvv by- byc bye byi byr bys c-- cbb cbc cbe cbi cbr cbs cbv cby ccb ccc cce cci ccr ccs ccv ce- ceb cec cee cei cer ces cev cey ci- cib cic cie cii cir cis civ crb crc cre cri crr crs crv cry csb csc cse csi csr css csv csy cvb cvc cve cvi cvr cvs cvv cyb cyc cye cyr cys ebb ebc ebe ebi ebr ebs ebv eby ec- ecb ecc ece eci ecr ecs ecv eeb eec eee eer ees eev eey eib eic eie eii eir eis eiv erb erc ere eri err ers erv ery es- esb esc ese esi esr ess esv esy evb evc eve evi evr evs evv evy eyc eye eyr eys i-v ibb ibc ibe ibi ibr ibs ibv iby icb icc ice ici icr ics icv icy ie- iec iee iei ier ies iev iey iib iic iie iii iir iis ir- irb irc ire iri irr irs irv iry is- isb isc ise isi isr iss isv isy ivb ivc ive ivi ivr ivs ivv ivy iyc iye iyr iys iyy rbb rbc rbe rbi rbr rbs rcb rcc rce rci rcr rcs rcv re- reb rec ree rei rer res rev rey rib ric rie rii rir ris riv riy rrb rrc rri rrr rrs rsb rsc rse rsi rsr rss rsv rvb rvc rve rvi rvr rvs rvv rvy ry- ryc rye ryr rys ryy sbb sbc sbe sbi sbr sbs sbv sby scb scc sce sci scr scs scv se- seb sec see sei ser ses sev sey sib sic sie sii sir sis siv sr- srb src sre sri srr srs srv sry ss- ssb ssc sse ssi ssr sss ssv svb svc sve svi svr svs svv svy sy- syb syc sye syi syr sys v-e vbc vbi vbr vbs vbv vcc vce vci vcr vcs vcy veb vec vee vei ver ves vey vi- vib vic vie vii vir vis viv viy vrb vrc vre vri vrr vrs vry vsb vsc vse vsi vsr vss vsv vvb vvc vvi vvr vvs vvv vye ybc ybe ybi ybr ybs yby ycc yce yci ycs ycv ycy yeb yec yee yei yer yes yev yey yie yii yir yis yrc yre yrs ysb ysc yse ysi ysr yss ysy yve yvi yvr yvy yyb yyc yye yys yyy