-er -th bbb bbe bbh bbm bbn bbo bbr bbt be- beb bee beh bem ben beo ber bet bhb bhe bhh bhm bho bhr bht bmb bme bmh bmm bmn bmo bmr bmt bnb bne bnn bno bnr bnt bob boe boh bom bon boo bor bot brb bre brh brm brn bro brr brt btb bte bth btm btn bto btr btt ebb ebe ebh ebm ebn ebo ebr ebt eeb eee eem een eeo eer eet ehb ehe ehh ehm ehn eho ehr eht em- emb eme emh emm emn emo emr emt en- enb ene enh enm enn eno enr ent eo- eob eoe eoh eom eon eoo eor eot erb ere erh erm ern ero err ert etb ete eth etm etn eto etr ett hbb hbe hbh hbm hbn hbo hbr hbt he- heb hee heh hem hen heo her het hhb hhe hhh hhm hhn hho hhr hht hmb hme hmh hmm hmo hmr hmt hnb hne hnh hnn hno hnt hob hoe hoh hom hon hoo hor hot hr- hrb hre hrh hrm hrn hro hrr hrt htb hte hth htm htn hto htr htt m-o m-r mbb mbe mbh mbm mbo mbr mbt meb mee meh mem men meo mer met mhh mhm mhn mho mhr mht mmb mme mmh mmm mmn mmo mmr mmt mnb mne mnm mnn mno mnr mnt mob moe moh mom mon moo mor mot mrb mre mrh mrm mrn mro mrr mrt mtb mte mth mtm mtn mto mtr mtt nbb nbe nbm nbn nbo nbr nbt ne- neb nee neh nem nen neo ner net nhb nhe nhh nhm nhn nhr nht nmb nme nmh nmm nmn nmo nmr nmt nnb nne nnh nnm nnn nno nnt no- nob noe noh nom non noo nor not nrb nre nrm nrn nro nrr nrt ntb nte nth ntm ntn nto ntr ntt ob- obb obe obh obm obn obo obr obt oeb oee oeh oem oen oeo oer oet ohe ohh ohm ohn oho ohr oht om- omb ome omh omm omn omo omr omt on- onb one onh onn ono onr ont oo- oob ooh oom oon ooo oor oot or- orb ore orh orm orn oro orr ort ot- otb ote oth otm otn oto otr ott rbb rbe rbh rbm rbn rbo rbr rbt re- reb ree reh rem ren reo rer ret rh- rhb rhe rhh rhm rhn rho rhr rht rmb rme rmh rmm rmn rmo rmr rmt rnb rnh rnm rnn rno rnr rnt rob roe roh rom ron roo ror rot rrb rrh rrm rrn rrr rrt rtb rte rtm rtn rto rtr rtt tbb tbe tbh tbm tbn tbo tbr tbt te- teb tee teh tem ten teo ter tet th- thb the thh thm thn tho thr tht tmb tme tmh tmm tmn tmo tmr tmt tnb tne tnh tnm tnn tno tnr tnt to- tob toe toh tom ton too tor tot trb tre trh trm trn tro trr trt ttb tte tth ttm ttn tto ttr ttt