-er -th bbb bbd bbe bbh bbn bbo bbr bbt bdb bdd bde bdh bdo bdr bdt be- beb bed bee beh ben beo ber bet bhb bhd bhe bhh bho bhr bht bnb bnd bne bnn bno bnr bnt bob bod boe boh bon boo bor bot brb brd bre brh brn bro brr brt btb btd bte bth btn bto btr btt dbb dbd dbe dbh dbn dbo dbr dbt ddb ddd dde ddh ddn ddo ddr ddt de- deb ded dee deh den deo der det dh- dhb dhd dhe dhh dho dhr dht dnb dnd dne dnh dnn dno dnr dnt dob dod doe doh don doo dor dot drb drd dre drn dro drr drt dtb dtd dte dth dtn dto dtr dtt ebb ebd ebe ebh ebn ebo ebr ebt ed- edb edd ede edh edn edo edr edt eeb eed eee een eeo eer eet ehb ehd ehe ehh ehn eho ehr eht en- enb end ene enh enn eno enr ent eo- eob eod eoe eoh eon eoo eor eot erb erd ere erh ern ero err ert etb etd ete eth etn eto etr ett hbb hbd hbe hbh hbn hbo hbr hbt hdb hdd hde hdh hdn hdo hdr hdt he- heb hed hee heh hen heo her het hhb hhd hhe hhh hhn hho hhr hht hnb hnd hne hnh hnn hno hnt hob hod hoe hoh hon hoo hor hot hr- hrb hrd hre hrh hrn hro hrr hrt htb htd hte hth htn hto htr htt nbb nbd nbe nbn nbo nbr nbt ndb ndd nde ndh ndn ndo ndr ndt ne- neb ned nee neh nen neo ner net nhb nhd nhe nhh nhn nhr nht nnb nne nnh nnn nno nnt no- nob nod noe noh non noo nor not nrb nrd nre nrn nro nrr nrt ntb ntd nte nth ntn nto ntr ntt ob- obb obd obe obh obn obo obr obt odb odd ode odh odn odo odr odt oeb oed oee oeh oen oeo oer oet ohd ohe ohh ohn oho ohr oht on- onb ond one onh onn ono onr ont oo- oob ood ooh oon ooo oor oot or- orb ord ore orh orn oro orr ort ot- otb otd ote oth otn oto otr ott rbb rbd rbe rbh rbn rbo rbr rbt rdb rdd rde rdh rdn rdo rdr rdt re- reb red ree reh ren reo rer ret rh- rhb rhd rhe rhh rhn rho rhr rht rnb rnd rnh rnn rno rnr rnt rob rod roe roh ron roo ror rot rrb rrd rrh rrn rrr rrt rtb rtd rte rtn rto rtr rtt tbb tbd tbe tbh tbn tbo tbr tbt tdb tdd tde tdh tdn tdo tdr tdt te- teb ted tee teh ten teo ter tet th- thb thd the thh thn tho thr tht tnb tnd tne tnh tnn tno tnr tnt to- tob tod toe toh ton too tor tot trb trd tre trh trn tro trr trt ttb ttd tte tth ttn tto ttr ttt