-er -ic b-u bbb bbc bbd bbe bbh bbi bbr bbu bcb bcc bcd bce bch bci bcr bcu bdb bdc bdd bde bdh bdi bdr bdu be- beb bec bed bee beh bei ber beu bhb bhc bhd bhe bhh bhi bhr bhu bi- bib bic bid bie bih bii bir biu brb brd bre brh bri brr bru bub buc bud bue buh bui bur buu c-- cbb cbc cbd cbe cbh cbi cbr cbu ccb ccc ccd cce cch cci ccr ccu cdb cdc cdd cde cdh cdi cdr cdu ce- ceb cec ced cee ceh cei cer ceu ch- chb chc chd che chh chi chr chu ci- cib cic cid cie cih cii cir ciu crb crc crd cre crh cri crr cru cub cuc cud cue cuh cui cur cuu dbb dbc dbd dbe dbh dbi dbr dbu dcb dcc dcd dce dci dcr dcu ddb ddc ddd dde ddh ddi ddr ddu de- deb dec ded dee deh dei der deu dh- dhb dhc dhd dhe dhh dhi dhr dhu di- dib dic did die dih dii dir diu drb drc drd dre dri drr dru dub duc dud due duh dui dur ebb ebc ebd ebe ebh ebi ebr ebu ec- ecb ecc ecd ece ech eci ecr ecu ed- edb edc edd ede edh edi edr edu eeb eec eed eee eer ehb ehc ehd ehe ehh ehi ehr ehu eib eic eid eie eii eir eiu erb erc erd ere erh eri err eru eu- eub euc eud eue eui eur h-i hbb hbc hbd hbe hbh hbi hbr hbu hcb hcc hcd hce hch hci hcr hdb hdc hdd hde hdh hdi hdr hdu he- heb hec hed hee heh hei her heu hhb hhc hhd hhe hhh hhi hhr hhu hib hic hid hie hih hii hir hiu hr- hrb hrc hrd hre hrh hri hrr hru hub huc hud hue huh hui hur huu i-d ibb ibc ibd ibe ibh ibi ibr ibu icb icc icd ice ich ici icr icu idb idc idd ide idh idi idr idu ie- iec ied iee iei ier ihb ihc ihd ihe ihh ihi ihr ihu iib iic iid iie iih iii iir iiu ir- irb irc ird ire iri irr iru iu- iub iuc iud iue iui iur rbb rbc rbd rbe rbh rbi rbr rbu rcb rcc rcd rce rch rci rcr rcu rdb rdc rdd rde rdh rdi rdr rdu re- reb rec red ree reh rei rer reu rh- rhb rhc rhd rhe rhh rhi rhr rhu rib ric rid rie rih rii rir rrb rrc rrd rrh rri rrr rru rub ruc rud rue ruh rui rur ruu ubb ubc ube ubh ubi ubr ubu ucb ucc ucd uce uch uci ucr ucu udb udc udd ude udi udr udu ueb uec ued uee ueh uei uer uhb uhc uhd uhe uhh uhi uhr uhu uib uic uid uie uii uir uiu ur- urb urc urd ure uri urr uru uuc uue uur uuu