-er -th bbb bbe bbh bbm bbn bbo bbr bbs bbt be- beb bee beh bem ben beo ber bes bet bhb bhe bhh bhm bho bhr bhs bht bmb bme bmh bmm bmn bmo bmr bms bmt bnb bne bnn bno bnr bns bnt bob boe boh bom bon boo bor bos bot brb bre brh brm brn bro brr brs brt bsb bse bsh bsm bsn bso bsr bss bst btb bte bth btm btn bto btr bts btt ebb ebe ebh ebm ebn ebo ebr ebs ebt eeb eee eem een eeo eer ees eet ehb ehe ehh ehm ehn eho ehr ehs eht em- emb eme emh emm emn emo emr ems emt en- enb ene enh enm enn eno enr ens ent eo- eob eoe eoh eom eon eoo eor eos eot erb ere erh erm ern ero err ers ert es- esb ese esh esm esn eso esr ess est etb ete eth etm etn eto etr ets ett hbb hbe hbh hbm hbn hbo hbr hbs hbt he- heb hee heh hem hen heo her hes het hhb hhe hhh hhm hhn hho hhr hhs hht hmb hme hmh hmm hmo hmr hms hmt hnb hne hnh hnn hno hns hnt hob hoe hoh hom hon hoo hor hos hot hr- hrb hre hrh hrm hrn hro hrr hrs hrt hsb hse hsh hsm hsn hsr hss hst htb hte hth htm htn hto htr hts htt m-o m-r mbb mbe mbh mbm mbo mbr mbs mbt meb mee meh mem men meo mer mes met mhh mhm mhn mho mhr mhs mht mmb mme mmh mmm mmn mmo mmr mms mmt mnb mne mnm mnn mno mnr mns mnt mob moe moh mom mon moo mor mos mot mrb mre mrh mrm mrn mro mrr mrs mrt msb mse msh msm msn mso msr mss mst mtb mte mth mtm mtn mto mtr mts mtt nbb nbe nbm nbn nbo nbr nbs nbt ne- neb nee neh nem nen neo ner nes net nhb nhe nhh nhm nhn nhr nhs nht nmb nme nmh nmm nmn nmo nmr nms nmt nnb nne nnh nnm nnn nno nns nnt no- nob noe noh nom non noo nor nos not nrb nre nrm nrn nro nrr nrs nrt nsb nse nsh nsm nsn nso nsr nss nst ntb nte nth ntm ntn nto ntr nts ntt ob- obb obe obh obm obn obo obr obs obt oeb oee oeh oem oen oeo oer oes oet ohe ohh ohm ohn oho ohr ohs oht om- omb ome omh omm omn omo omr oms omt on- onb one onh onn ono onr ons ont oo- oob ooh oom oon ooo oor oos oot or- orb ore orh orm orn oro orr ors ort os- osb ose osh osm osn oso osr oss ost ot- otb ote oth otm otn oto otr ots ott rbb rbe rbh rbm rbn rbo rbr rbs rbt re- reb ree reh rem ren reo rer res ret rh- rhb rhe rhh rhm rhn rho rhr rhs rht rmb rme rmh rmm rmn rmo rmr rms rmt rnb rnh rnm rnn rno rnr rns rnt rob roe roh rom ron roo ror ros rot rrb rrh rrm rrn rrr rrs rrt rsb rse rsh rsm rsn rso rsr rss rst rtb rte rtm rtn rto rtr rts rtt sbb sbe sbh sbm sbn sbo sbr sbs sbt se- seb see seh sem sen seo ser ses set sh- shb she shh shm shn sho shr shs sht smb sme smh smm smn smo smr sms smt snb sne snm snn sno snr sns snt sob soe soh som son soo sor sos sot sr- srb sre srh srm srn sro srr srs srt ss- ssb sse ssh ssm ssn sso ssr sss sst stb ste sth stm stn sto str sts stt tbb tbe tbh tbm tbn tbo tbr tbs tbt te- teb tee teh tem ten teo ter tes tet th- thb the thh thm thn tho thr ths tht tmb tme tmh tmm tmn tmo tmr tms tmt tnb tne tnh tnm tnn tno tnr tns tnt to- tob toe toh tom ton too tor tos tot trb tre trh trm trn tro trr trs trt tsb tse tsh tsm tsn tso tsr tss tst ttb tte tth ttm ttn tto ttr tts ttt