-er -ic b-u bbb bbc bbd bbe bbi bbn bbo bbq bbr bbs bbt bbu bcb bcc bcd bce bci bcn bco bcq bcr bcs bct bcu bdb bdc bdd bde bdi bdo bdq bdr bds bdt bdu be- beb bec bed bee bei ben beo beq ber bes bet beu bi- bib bic bid bie bii bin bio bir bis bit biu bnb bnc bnd bne bni bnn bno bnr bns bnt bnu bob boc bod boe boi bon boo boq bor bos bot bou bqc bqd bqe bqt brb brd bre bri brn bro brq brr brs brt bru bsb bsc bsd bse bsi bsn bso bsr bss bst bsu btb btc btd bte bti btn bto btq btr bts btt btu bub buc bud bue bui bun buo bur bus but buu c-- cbb cbc cbd cbe cbi cbn cbo cbq cbr cbs cbt cbu ccb ccc ccd cce cci ccn cco ccr ccs cct ccu cdb cdc cdd cde cdi cdn cdo cdq cdr cds cdt cdu ce- ceb cec ced cee cei cen ceo ceq cer ces cet ceu ci- cib cic cid cie cii cin cio ciq cir cis cit ciu cn- cnb cnc cnd cne cni cnn cno cnr cns cnt cnu co- cob coc cod coe coi con coo coq cor cos cot cou cqb cqc cqd cqi cqo cqs cqt crb crc crd cre cri crn cro crq crr crs crt cru csb csc csd cse csi csn cso csq csr css cst csu ctb ctc ctd cte cti ctn cto ctq ctr cts ctt ctu cub cuc cud cue cui cun cuo cuq cur cus cut cuu dbb dbc dbd dbe dbi dbn dbo dbq dbr dbs dbt dbu dcb dcc dcd dce dci dcn dco dcr dcs dct dcu ddb ddc ddd dde ddi ddn ddo ddq ddr dds ddt ddu de- deb dec ded dee dei den deo deq der des det deu di- dib dic did die dii din dio diq dir dis dit diu dnb dnc dnd dne dni dnn dno dnq dnr dns dnt dob doc dod doe doi don doo doq dor dos dot dou dqe dqn dqs drb drc drd dre dri drn dro drq drr drs drt dru dsb dsc dsd dse dsi dsn dso dsq dsr dss dst dsu dtb dtc dtd dte dti dtn dto dtr dts dtt dtu dub duc dud due dui dun duo dur dus dut ebb ebc ebd ebe ebi ebn ebo ebq ebr ebs ebt ebu ec- ecb ecc ecd ece eci ecn eco ecq ecr ecs ect ecu ed- edb edc edd ede edi edn edo edr eds edt edu eeb eec eed eee een eeo eer ees eet eib eic eid eie eii ein eio eir eis eit eiu en- enb enc end ene eni enn eno enr ens ent enu eo- eob eoc eod eoe eoi eon eoo eoq eor eos eot eou eqe eqn eqq eqs eqt equ erb erc erd ere eri ern ero erq err ers ert eru es- esb esc esd ese esi esn eso esq esr ess est esu etb etc etd ete eti etn eto etr ets ett etu eu- eub euc eud eue eui eun eur eus eut i-d ibb ibc ibd ibe ibi ibn ibo ibr ibs ibt ibu icb icc icd ice ici icn ico icq icr ics ict icu idb idc idd ide idi idn ido idq idr ids idt idu ie- iec ied iee iei ien ier ies iet iib iic iid iie iii iin iio iir iis iit iiu in- inb inc ind ine ini inn ino inq inr ins int inu io- iob ioc iod ioe ioi ion ioo ior ios iot iou iqc iqd iqe iqs iqt iqu ir- irb irc ird ire iri irn iro irq irr irs irt iru is- isb isc isd ise isi isn iso isq isr iss ist isu itb itc itd ite iti itn ito itq its itt itu iu- iub iuc iud iue iui iur ius iut n-i nbb nbc nbd nbe nbi nbn nbo nbr nbs nbt nbu ncb ncc ncd nce nci ncn nco ncr ncs nct ncu ndb ndc ndd nde ndi ndn ndo ndr nds ndt ndu ne- neb nec ned nee nei nen neo ner nes net neu nib nic nid nie nii nin nio niq nir nis nit niu nnb nnc nne nni nnn nno nns nnt nnu no- nob noc nod noe noi non noo nor nos not nou nqc nqs nqt nrb nrc nrd nre nri nrn nro nrr nrs nrt nru nsb nsc nsd nse nsi nsn nso nsr nss nst nsu ntb ntc ntd nte nti ntn nto ntq ntr nts ntt ntu nub nuc nud nue nui nun nuo nuq nur nus nut nuu o-i ob- obb obc obd obe obi obn obo obr obs obt obu oc- ocb occ ocd oci ocn oco ocr ocs oct ocu odb odc odd ode odi odn odo odr ods odt odu oeb oec oed oee oei oen oeo oer oes oet oib oic oid oie oii oin oio oir ois oit oiu on- onb onc ond one oni onn ono onr ons ont onu oo- oob ooc ood ooi oon ooo oor oos oot oqb oqo or- orb orc ord ore ori orn oro orr ors ort oru os- osb osc osd ose osi osn oso osq osr oss ost osu ot- otb otc otd ote oti otn oto otr ots ott otu ou- ouc oud oue oui oun ouo our ous out qbc qbd qbe qbq qbs qcc qcd qci qco qcs qct qdb qdr qds qdt qec qed qee qen qeo qet qic qid qie qin qio qir qis qit qiu qnb qnd qne qni qns qoi qoo qor qos qqq qqu qrb qrc qre qri qrs qrt qru qsc qsd qsi qso qsr qst qtc qtd qti qto qtq qtr qts qu- qud que qui quo qur qus qut