-er bbb bbe bbh bbi bbo bbr bbs be- beb bee beh bei beo ber bes bhb bhe bhh bhi bho bhr bhs bi- bib bie bih bii bio bir bis bob boe boh boi boo bor bos brb bre brh bri bro brr brs bsb bse bsh bsi bso bsr bss ebb ebe ebh ebi ebo ebr ebs eeb eee eeo eer ees ehb ehe ehh ehi eho ehr ehs eib eie eii eio eir eis eo- eob eoe eoh eoi eoo eor eos erb ere erh eri ero err ers es- esb ese esh esi eso esr ess h-i hbb hbe hbh hbi hbo hbr hbs he- heb hee heh hei heo her hes hhb hhe hhh hhi hho hhr hhs hib hie hih hii hio hir his hob hoe hoh hoi hoo hor hos hr- hrb hre hrh hri hro hrr hrs hsb hse hsh hsi hsr hss ibb ibe ibh ibi ibo ibr ibs ie- iee iei ier ies ihb ihe ihh ihi iho ihr ihs iib iie iih iii iio iir iis io- iob ioe ioh ioi ioo ior ios ir- irb ire iri iro irr irs is- isb ise ish isi iso isr iss o-i ob- obb obe obh obi obo obr obs oeb oee oeh oei oeo oer oes ohe ohh ohi oho ohr ohs oib oie oii oio oir ois oo- oob ooh ooi ooo oor oos or- orb ore orh ori oro orr ors os- osb ose osh osi oso osr oss rbb rbe rbh rbi rbo rbr rbs re- reb ree reh rei reo rer res rh- rhb rhe rhh rhi rho rhr rhs rib rie rih rii rio rir ris rob roe roh roi roo ror ros rrb rrh rri rrr rrs rsb rse rsh rsi rso rsr rss sbb sbe sbh sbi sbo sbr sbs se- seb see seh sei seo ser ses sh- shb she shh shi sho shr shs sib sie sih sii sio sir sis sob soe soh soi soo sor sos sr- srb sre srh sri sro srr srs ss- ssb sse ssh ssi sso ssr sss