-er -ol bbb bbe bbh bbi bbl bbo bbr bbs be- beb bee beh bei bel beo ber bes bhb bhe bhh bhi bhl bho bhr bhs bi- bib bie bih bii bil bio bir bis blb ble blh bli bll blo blr bls bob boe boh boi bol boo bor bos brb bre brh bri brl bro brr brs bsb bse bsh bsi bsl bso bsr bss ebb ebe ebh ebi ebl ebo ebr ebs eeb eee eel eeo eer ees ehb ehe ehh ehi ehl eho ehr ehs eib eie eii eil eio eir eis elb ele elh eli ell elo elr els eo- eob eoe eoh eoi eol eoo eor eos erb ere erh eri erl ero err ers es- esb ese esh esi esl eso esr ess h-i hbb hbe hbh hbi hbl hbo hbr hbs he- heb hee heh hei hel heo her hes hhb hhe hhh hhi hhl hho hhr hhs hib hie hih hii hil hio hir his hlb hle hlh hli hll hlo hlr hls hob hoe hoh hoi hol hoo hor hos hr- hrb hre hrh hri hrl hro hrr hrs hsb hse hsh hsi hsl hsr hss ibb ibe ibh ibi ibl ibo ibr ibs ie- iee iei iel ier ies ihb ihe ihh ihi ihl iho ihr ihs iib iie iih iii iil iio iir iis il- ilb ile ilh ili ill ilo ilr ils io- iob ioe ioh ioi iol ioo ior ios ir- irb ire iri irl iro irr irs is- isb ise ish isi isl iso isr iss lbb lbe lbh lbi lbl lbo lbr lbs leb lee leh lei lel leo ler les lhb lhh lhi lho lhr lhs lib lie lih lii lil lio lir lis llb lle lli lll llo llr lls lob loe loh loi lol loo lor los lrb lrh lri lro lrr lrs lsb lse lsh lsi lsl lso lsr lss o-i ob- obb obe obh obi obl obo obr obs oeb oee oeh oei oel oeo oer oes ohe ohh ohi ohl oho ohr ohs oib oie oii oil oio oir ois olb ole oli oll olo ols oo- oob ooh ooi ool ooo oor oos or- orb ore orh ori orl oro orr ors os- osb ose osh osi osl oso osr oss rbb rbe rbh rbi rbl rbo rbr rbs re- reb ree reh rei rel reo rer res rh- rhb rhe rhh rhi rhl rho rhr rhs rib rie rih rii ril rio rir ris rle rlh rli rll rlo rlr rls rob roe roh roi rol roo ror ros rrb rrh rri rrl rrr rrs rsb rse rsh rsi rsl rso rsr rss sbb sbe sbh sbi sbl sbo sbr sbs se- seb see seh sei sel seo ser ses sh- shb she shh shi shl sho shr shs sib sie sih sii sil sio sir sis slb sle slh sli sll slo slr sls sob soe soh soi sol soo sor sos sr- srb sre srh sri srl sro srr srs ss- ssb sse ssh ssi ssl sso ssr sss