-er -th bbb bbe bbh bbi bbn bbo bbr bbs bbt be- beb bee beh bei ben beo ber bes bet bhb bhe bhh bhi bho bhr bhs bht bi- bib bie bih bii bin bio bir bis bit bnb bne bni bnn bno bnr bns bnt bob boe boh boi bon boo bor bos bot brb bre brh bri brn bro brr brs brt bsb bse bsh bsi bsn bso bsr bss bst btb bte bth bti btn bto btr bts btt ebb ebe ebh ebi ebn ebo ebr ebs ebt eeb eee een eeo eer ees eet ehb ehe ehh ehi ehn eho ehr ehs eht eib eie eii ein eio eir eis eit en- enb ene enh eni enn eno enr ens ent eo- eob eoe eoh eoi eon eoo eor eos eot erb ere erh eri ern ero err ers ert es- esb ese esh esi esn eso esr ess est etb ete eth eti etn eto etr ets ett h-i hbb hbe hbh hbi hbn hbo hbr hbs hbt he- heb hee heh hei hen heo her hes het hhb hhe hhh hhi hhn hho hhr hhs hht hib hie hih hii hin hio hir his hit hnb hne hnh hnn hno hns hnt hob hoe hoh hoi hon hoo hor hos hot hr- hrb hre hrh hri hrn hro hrr hrs hrt hsb hse hsh hsi hsn hsr hss hst htb hte hth hti htn hto htr hts htt ibb ibe ibh ibi ibn ibo ibr ibs ibt ie- iee iei ien ier ies iet ihb ihe ihh ihi ihn iho ihr ihs iht iib iie iih iii iin iio iir iis iit in- inb ine inh ini inn ino inr ins int io- iob ioe ioh ioi ion ioo ior ios iot ir- irb ire iri irn iro irr irs irt is- isb ise ish isi isn iso isr iss ist itb ite ith iti itn ito its itt n-i nbb nbe nbi nbn nbo nbr nbs nbt ne- neb nee neh nei nen neo ner nes net nhb nhe nhh nhi nhn nhr nhs nht nib nie nih nii nin nio nir nis nit nnb nne nnh nni nnn nno nns nnt no- nob noe noh noi non noo nor nos not nrb nre nri nrn nro nrr nrs nrt nsb nse nsh nsi nsn nso nsr nss nst ntb nte nth nti ntn nto ntr nts ntt o-i ob- obb obe obh obi obn obo obr obs obt oeb oee oeh oei oen oeo oer oes oet ohe ohh ohi ohn oho ohr ohs oht oib oie oii oin oio oir ois oit on- onb one onh oni onn ono onr ons ont oo- oob ooh ooi oon ooo oor oos oot or- orb ore orh ori orn oro orr ors ort os- osb ose osh osi osn oso osr oss ost ot- otb ote oth oti otn oto otr ots ott rbb rbe rbh rbi rbn rbo rbr rbs rbt re- reb ree reh rei ren reo rer res ret rh- rhb rhe rhh rhi rhn rho rhr rhs rht rib rie rih rii rin rio rir ris rit rnb rnh rni rnn rno rnr rns rnt rob roe roh roi ron roo ror ros rot rrb rrh rri rrn rrr rrs rrt rsb rse rsh rsi rsn rso rsr rss rst rtb rte rti rtn rto rtr rts rtt sbb sbe sbh sbi sbn sbo sbr sbs sbt se- seb see seh sei sen seo ser ses set sh- shb she shh shi shn sho shr shs sht sib sie sih sii sin sio sir sis sit snb sne sni snn sno snr sns snt sob soe soh soi son soo sor sos sot sr- srb sre srh sri srn sro srr srs srt ss- ssb sse ssh ssi ssn sso ssr sss sst stb ste sth sti stn sto str sts stt tbb tbe tbh tbi tbn tbo tbr tbs tbt te- teb tee teh tei ten teo ter tes tet th- thb the thh thi thn tho thr ths tht tib tie tih tii tin tio tir tis tit tnb tne tnh tni tnn tno tnr tns tnt to- tob toe toh toi ton too tor tos tot trb tre trh tri trn tro trr trs trt tsb tse tsh tsi tsn tso tsr tss tst ttb tte tth tti ttn tto ttr tts ttt