-er -ol bbb bbe bbh bbi bbl bbn bbo bbr bbs be- beb bee beh bei bel ben beo ber bes bhb bhe bhh bhi bhl bho bhr bhs bi- bib bie bih bii bil bin bio bir bis blb ble blh bli bll bln blo blr bls bnb bne bni bnl bnn bno bnr bns bob boe boh boi bol bon boo bor bos brb bre brh bri brl brn bro brr brs bsb bse bsh bsi bsl bsn bso bsr bss ebb ebe ebh ebi ebl ebn ebo ebr ebs eeb eee eel een eeo eer ees ehb ehe ehh ehi ehl ehn eho ehr ehs eib eie eii eil ein eio eir eis elb ele elh eli ell eln elo elr els en- enb ene enh eni enl enn eno enr ens eo- eob eoe eoh eoi eol eon eoo eor eos erb ere erh eri erl ern ero err ers es- esb ese esh esi esl esn eso esr ess h-i hbb hbe hbh hbi hbl hbn hbo hbr hbs he- heb hee heh hei hel hen heo her hes hhb hhe hhh hhi hhl hhn hho hhr hhs hib hie hih hii hil hin hio hir his hlb hle hlh hli hll hln hlo hlr hls hnb hne hnh hnl hnn hno hns hob hoe hoh hoi hol hon hoo hor hos hr- hrb hre hrh hri hrl hrn hro hrr hrs hsb hse hsh hsi hsl hsn hsr hss ibb ibe ibh ibi ibl ibn ibo ibr ibs ie- iee iei iel ien ier ies ihb ihe ihh ihi ihl ihn iho ihr ihs iib iie iih iii iil iin iio iir iis il- ilb ile ilh ili ill iln ilo ilr ils in- inb ine inh ini inl inn ino inr ins io- iob ioe ioh ioi iol ion ioo ior ios ir- irb ire iri irl irn iro irr irs is- isb ise ish isi isl isn iso isr iss lbb lbe lbh lbi lbl lbo lbr lbs leb lee leh lei lel len leo ler les lhb lhh lhi lho lhr lhs lib lie lih lii lil lin lio lir lis llb lle lli lll lln llo llr lls lnb lne lnh lni lnl lnn lno lnr lns lob loe loh loi lol lon loo lor los lrb lrh lri lrn lro lrr lrs lsb lse lsh lsi lsl lsn lso lsr lss n-i nbb nbe nbi nbl nbn nbo nbr nbs ne- neb nee neh nei nel nen neo ner nes nhb nhe nhh nhi nhl nhn nhr nhs nib nie nih nii nil nin nio nir nis nlb nle nlh nli nll nln nlo nlr nls nnb nne nnh nni nnl nnn nno nns no- nob noe noh noi nol non noo nor nos nrb nre nri nrl nrn nro nrr nrs nsb nse nsh nsi nsl nsn nso nsr nss o-i ob- obb obe obh obi obl obn obo obr obs oeb oee oeh oei oel oen oeo oer oes ohe ohh ohi ohl ohn oho ohr ohs oib oie oii oil oin oio oir ois olb ole oli oll oln olo ols on- onb one onh oni onl onn ono onr ons oo- oob ooh ooi ool oon ooo oor oos or- orb ore orh ori orl orn oro orr ors os- osb ose osh osi osl osn oso osr oss rbb rbe rbh rbi rbl rbn rbo rbr rbs re- reb ree reh rei rel ren reo rer res rh- rhb rhe rhh rhi rhl rhn rho rhr rhs rib rie rih rii ril rin rio rir ris rle rlh rli rll rln rlo rlr rls rnb rnh rni rnn rno rnr rns rob roe roh roi rol ron roo ror ros rrb rrh rri rrl rrn rrr rrs rsb rse rsh rsi rsl rsn rso rsr rss sbb sbe sbh sbi sbl sbn sbo sbr sbs se- seb see seh sei sel sen seo ser ses sh- shb she shh shi shl shn sho shr shs sib sie sih sii sil sin sio sir sis slb sle slh sli sll sln slo slr sls snb sne sni snl snn sno snr sns sob soe soh soi sol son soo sor sos sr- srb sre srh sri srl srn sro srr srs ss- ssb sse ssh ssi ssl ssn sso ssr sss