-er -ic b-u bbb bbc bbd bbe bbi bbn bbo bbq bbr bbs bbu bcb bcc bcd bce bci bcn bco bcq bcr bcs bcu bdb bdc bdd bde bdi bdo bdq bdr bds bdu be- beb bec bed bee bei ben beo beq ber bes beu bi- bib bic bid bie bii bin bio bir bis biu bnb bnc bnd bne bni bnn bno bnr bns bnu bob boc bod boe boi bon boo boq bor bos bou bqc bqd bqe brb brd bre bri brn bro brq brr brs bru bsb bsc bsd bse bsi bsn bso bsr bss bsu bub buc bud bue bui bun buo bur bus buu c-- cbb cbc cbd cbe cbi cbn cbo cbq cbr cbs cbu ccb ccc ccd cce cci ccn cco ccr ccs ccu cdb cdc cdd cde cdi cdn cdo cdq cdr cds cdu ce- ceb cec ced cee cei cen ceo ceq cer ces ceu ci- cib cic cid cie cii cin cio ciq cir cis ciu cn- cnb cnc cnd cne cni cnn cno cnr cns cnu co- cob coc cod coe coi con coo coq cor cos cou cqb cqc cqd cqi cqo cqs crb crc crd cre cri crn cro crq crr crs cru csb csc csd cse csi csn cso csq csr css csu cub cuc cud cue cui cun cuo cuq cur cus cuu dbb dbc dbd dbe dbi dbn dbo dbq dbr dbs dbu dcb dcc dcd dce dci dcn dco dcr dcs dcu ddb ddc ddd dde ddi ddn ddo ddq ddr dds ddu de- deb dec ded dee dei den deo deq der des deu di- dib dic did die dii din dio diq dir dis diu dnb dnc dnd dne dni dnn dno dnq dnr dns dob doc dod doe doi don doo doq dor dos dou dqe dqn dqs drb drc drd dre dri drn dro drq drr drs dru dsb dsc dsd dse dsi dsn dso dsq dsr dss dsu dub duc dud due dui dun duo dur dus ebb ebc ebd ebe ebi ebn ebo ebq ebr ebs ebu ec- ecb ecc ecd ece eci ecn eco ecq ecr ecs ecu ed- edb edc edd ede edi edn edo edr eds edu eeb eec eed eee een eeo eer ees eib eic eid eie eii ein eio eir eis eiu en- enb enc end ene eni enn eno enr ens enu eo- eob eoc eod eoe eoi eon eoo eoq eor eos eou eqe eqn eqq eqs equ erb erc erd ere eri ern ero erq err ers eru es- esb esc esd ese esi esn eso esq esr ess esu eu- eub euc eud eue eui eun eur eus i-d ibb ibc ibd ibe ibi ibn ibo ibr ibs ibu icb icc icd ice ici icn ico icq icr ics icu idb idc idd ide idi idn ido idq idr ids idu ie- iec ied iee iei ien ier ies iib iic iid iie iii iin iio iir iis iiu in- inb inc ind ine ini inn ino inq inr ins inu io- iob ioc iod ioe ioi ion ioo ior ios iou iqc iqd iqe iqs iqu ir- irb irc ird ire iri irn iro irq irr irs iru is- isb isc isd ise isi isn iso isq isr iss isu iu- iub iuc iud iue iui iur ius n-i nbb nbc nbd nbe nbi nbn nbo nbr nbs nbu ncb ncc ncd nce nci ncn nco ncr ncs ncu ndb ndc ndd nde ndi ndn ndo ndr nds ndu ne- neb nec ned nee nei nen neo ner nes neu nib nic nid nie nii nin nio niq nir nis niu nnb nnc nne nni nnn nno nns nnu no- nob noc nod noe noi non noo nor nos nou nqc nqs nrb nrc nrd nre nri nrn nro nrr nrs nru nsb nsc nsd nse nsi nsn nso nsr nss nsu nub nuc nud nue nui nun nuo nuq nur nus nuu o-i ob- obb obc obd obe obi obn obo obr obs obu oc- ocb occ ocd oci ocn oco ocr ocs ocu odb odc odd ode odi odn odo odr ods odu oeb oec oed oee oei oen oeo oer oes oib oic oid oie oii oin oio oir ois oiu on- onb onc ond one oni onn ono onr ons onu oo- oob ooc ood ooi oon ooo oor oos oqb oqo or- orb orc ord ore ori orn oro orr ors oru os- osb osc osd ose osi osn oso osq osr oss osu ou- ouc oud oue oui oun ouo our ous qbc qbd qbe qbq qbs qcc qcd qci qco qcs qdb qdr qds qec qed qee qen qeo qic qid qie qin qio qir qis qiu qnb qnd qne qni qns qoi qoo qor qos qqq qqu qrb qrc qre qri qrs qru qsc qsd qsi qso qsr qu- qud que qui quo qur qus rbb rbc rbd rbe rbi rbn rbo rbr rbs rbu rcb rcc rcd rce rci rcn rco rcr rcs rcu rdb rdc rdd rde rdi rdn rdo rdr rds rdu re- reb rec red ree rei ren reo req rer res reu rib ric rid rie rii rin rio riq rir ris rnb rnc rnd rni rnn rno rnr rns rnu rob roc rod roe roi ron roo ror ros rou rqc rqn rqs rrb rrc rrd rri rrn rrq rrr rrs rru rsb rsc rsd rse rsi rsn rso rsq rsr rss rsu rub ruc rud rue rui run ruo rur rus ruu sbb sbc sbd sbe sbi sbn sbo sbq sbr sbs sbu scb scc scd sce sci scn sco scr scs scu sdb sdc sdd sde sdi sdn sdo sdq sdr sds sdu se- seb sec sed see sei sen seo seq ser ses seu sib sic sid sie sii sin sio siq sir sis siu snb snc snd sne sni snn sno snr sns snu sob