-er -th b-p bbb bbe bbh bbn bbo bbp bbr bbt be- beb bee beh ben beo bep ber bet bhb bhe bhh bho bhp bhr bht bnb bne bnn bno bnp bnr bnt bob boe boh bon boo bop bor bot bpb bpe bph bpn bpo bpp bpr bpt brb bre brh brn bro brp brr brt btb bte bth btn bto btp btr btt ebb ebe ebh ebn ebo ebp ebr ebt eeb eee een eeo eep eer eet ehb ehe ehh ehn eho ehp ehr eht en- enb ene enh enn eno enp enr ent eo- eob eoe eoh eon eoo eop eor eot ep- epb epe eph epn epo epp epr ept erb ere erh ern ero erp err ert etb ete eth etn eto etp etr ett hbb hbe hbh hbn hbo hbp hbr hbt he- heb hee heh hen heo hep her het hhb hhe hhh hhn hho hhp hhr hht hnb hne hnh hnn hno hnt hob hoe hoh hon hoo hop hor hot hpb hpe hph hpn hpo hpp hpr hpt hr- hrb hre hrh hrn hro hrp hrr hrt htb hte hth htn hto htp htr htt nbb nbe nbn nbo nbp nbr nbt ne- neb nee neh nen neo nep ner net nhb nhe nhh nhn nhp nhr nht nnb nne nnh nnn nno nnp nnt no- nob noe noh non noo nop nor not npb npe nph npn npo npp npr npt nrb nre nrn nro nrp nrr nrt ntb nte nth ntn nto ntp ntr ntt ob- obb obe obh obn obo obp obr obt oeb oee oeh oen oeo oep oer oet ohe ohh ohn oho ohp ohr oht on- onb one onh onn ono onp onr ont oo- oob ooh oon ooo oop oor oot op- opb ope oph opn opo opp opr opt or- orb ore orh orn oro orp orr ort ot- otb ote oth otn oto otp otr ott p-p pbb pbe pbn pbo pbp pbr pbt peb pee peh pen peo pep per pet phb phe phn pho php phr pht pn- pnb pne pnh pnn pno pnp pnr pnt pob poe poh pon poo pop por pot ppb ppe pph ppn ppo ppp ppr ppt prb pre prh prn pro prp prr prt pt- ptb pte pth ptn pto ptp ptr ptt rbb rbe rbh rbn rbo rbp rbr rbt re- reb ree reh ren reo rep rer ret rh- rhb rhe rhh rhn rho rhp rhr rht rnb rnh rnn rno rnp rnr rnt rob roe roh ron roo rop ror rot rpb rpe rph rpn rpo rpp rpr rpt rrb rrh rrn rrp rrr rrt rtb rte rtn rto rtp rtr rtt tbb tbe tbh tbn tbo tbp tbr tbt te- teb tee teh ten teo tep ter tet th- thb the thh thn tho thp thr tht tnb tne tnh tnn tno tnp tnr tnt to- tob toe toh ton too top tor tot tpb tpe tph tpn tpo tpp tpr tpt trb tre trh trn tro trp trr trt ttb tte tth ttn tto ttp ttr ttt