-er -ic -th bbb bbc bbe bbh bbi bbm bbr bbt bcb bcc bce bch bci bcm bcr bct be- beb bec bee beh bei bem ber bet bhb bhc bhe bhh bhi bhm bhr bht bi- bib bic bie bih bii bim bir bit bmb bmc bme bmh bmi bmm bmr bmt brb bre brh bri brm brr brt btb btc bte bth bti btm btr btt c-- cbb cbc cbe cbh cbi cbm cbr cbt ccb ccc cce cch cci ccm ccr cct ce- ceb cec cee ceh cei cem cer cet ch- chb chc che chh chi chm chr cht ci- cib cic cie cih cii cim cir cit cmb cmc cme cmh cmi cmm cmr cmt crb crc cre crh cri crm crr crt ctb ctc cte cth cti ctm ctr ctt ebb ebc ebe ebh ebi ebm ebr ebt ec- ecb ecc ece ech eci ecm ecr ect eeb eec eee eem eer eet ehb ehc ehe ehh ehi ehm ehr eht eib eic eie eii eim eir eit em- emb emc eme emh emi emm emr emt erb erc ere erh eri erm err ert etb etc ete eth eti etm etr ett h-i hbb hbc hbe hbh hbi hbm hbr hbt hcb hcc hce hch hci hcm hcr hct he- heb hec hee heh hei hem her het hhb hhc hhe hhh hhi hhm hhr hht hib hic hie hih hii him hir hit hmb hmc hme hmh hmi hmm hmr hmt hr- hrb hrc hre hrh hri hrm hrr hrt htb htc hte hth hti htm htr htt ibb ibc ibe ibh ibi ibm ibr ibt icb icc ice ich ici icm icr ict ie- iec iee iei iem ier iet ihb ihc ihe ihh ihi ihm ihr iht iib iic iie iih iii iim iir iit im- imb imc ime imh imi imm imt ir- irb irc ire iri irm irr irt itb itc ite ith iti itm itt m-r mbb mbc mbe mbh mbi mbm mbr mbt mc- mcb mcc mce mch mci mcm mcr mct meb mec mee meh mei mem mer met mhc mhh mhi mhm mhr mht mi- mib mic mie mih mii mim mir mit mmb mmc mme mmh mmi mmm mmr mmt mrb mrc mre mrh mri mrm mrr mrt mtb mtc mte mth mti mtm mtr mtt rbb rbc rbe rbh rbi rbm rbr rbt rcb rcc rce rch rci rcm rcr rct re- reb rec ree reh rei rem rer ret rh- rhb rhc rhe rhh rhi rhm rhr rht rib ric rie rih rii rim rir rit rmb rmc rme rmh rmi rmm rmr rmt rrb rrc rrh rri rrm rrr rrt rtb rtc rte rti rtm rtr rtt tbb tbc tbe tbh tbi tbm tbr tbt tcb tcc tce tch tci tcm tcr tct te- teb tec tee teh tei tem ter tet th- thb thc the thh thi thm thr tht tib tic tie tih tii tim tir tit tmb tmc tme tmh tmi tmm tmr tmt trb trc tre trh tri trm trr trt ttb ttc tte tth tti ttm ttr ttt