-er -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aai aan aar aas aat aau ab- aba abb abc abd abe abi abn abr abs abt abu ac- aca acb acc acd ace aci acn acr acs act acu ad- ada adb adc add ade adi adn adr ads adt adu aea aeb aec aed aee aei aen aer aes aet aeu ai- aia aib aic aid aie aii ain air ais ait aiu an- ana anb anc and ane ani ann anr ans ant anu ar- ara arb arc ard are ari arn arr ars art aru as- asa asb asc asd ase asi asn asr ass ast asu at- ata atb atc atd ate ati atn atr ats att atu au- aua aub auc aud aue aui aun aur aus aut b-u baa bab bac bad bae bai ban bar bas bat bau bba bbb bbc bbd bbe bbi bbn bbr bbs bbt bbu bca bcb bcc bcd bce bci bcn bcr bcs bct bcu bda bdb bdc bdd bde bdi bdr bds bdt bdu be- bea beb bec bed bee bei ben ber bes bet beu bi- bia bib bic bid bie bii bin bir bis bit biu bna bnb bnc bnd bne bni bnn bnr bns bnt bnu bra brb brd bre bri brn brr brs brt bru bsa bsb bsc bsd bse bsi bsn bsr bss bst bsu bta btb btc btd bte bti btn btr bts btt btu bua bub buc bud bue bui bun bur bus but buu c-- caa cab cac cad cae cai can car cas cat cau cba cbb cbc cbd cbe cbi cbn cbr cbs cbt cbu cca ccb ccc ccd cce cci ccn ccr ccs cct ccu cda cdb cdc cdd cde cdi cdn cdr cds cdt cdu ce- cea ceb cec ced cee cei cen cer ces cet ceu ci- cia cib cic cid cie cii cin cir cis cit ciu cn- cna cnb cnc cnd cne cni cnn cnr cns cnt cnu cra crb crc crd cre cri crn crr crs crt cru csa csb csc csd cse csi csn csr css cst csu cta ctb ctc ctd cte cti ctn ctr cts ctt ctu cua cub cuc cud cue cui cun cur cus cut cuu daa dab dac dad dae dai dan dar das dat dau dba dbb dbc dbd dbe dbi dbn dbr dbs dbt dbu dca dcb dcc dcd dce dci dcn dcr dcs dct dcu dda ddb ddc ddd dde ddi ddn ddr dds ddt ddu de- dea deb dec ded dee dei den der des det deu di- dia dib dic did die dii din dir dis dit diu dna dnb dnc dnd dne dni dnn dnr dns dnt dra drb drc drd dre dri drn drr drs drt dru dsa dsb dsc dsd dse dsi dsn dsr dss dst dsu dta dtb dtc dtd dte dti dtn dtr dts dtt dtu dua dub duc dud due dui dun dur dus dut eaa eab eac ead eae eai ean ear eas eat eau eba ebb ebc ebd ebe ebi ebn ebr ebs ebt ebu ec- eca ecb ecc ecd ece eci ecn ecr ecs ect ecu ed- eda edb edc edd ede edi edn edr eds edt edu eea eeb eec eed eee een eer ees eet eia eib eic eid eie eii ein eir eis eit eiu en- ena enb enc end ene eni enn enr ens ent enu era erb erc erd ere eri ern err ers ert eru es- esa esb esc esd ese esi esn esr ess est esu eta etb etc etd ete eti etn etr ets ett etu eu- eua eub euc eud eue eui eun eur eus eut i-d ia- iaa iab iac iad iae iai ian iar ias iat iau iba ibb ibc ibd ibe ibi ibn ibr ibs ibt ibu ica icb icc icd ice ici icn icr ics ict icu ida idb idc idd ide idi idn idr ids idt idu ie- iea iec ied iee iei ien ier ies iet iia iib iic iid iie iii iin iir iis iit iiu in- ina inb inc ind ine ini inn inr ins int inu ir- ira irb irc ird ire iri irn irr irs irt iru is- isa isb isc isd ise isi isn isr iss ist isu ita itb itc itd ite iti itn its itt itu iu- iua iub iuc iud iue iui iur ius iut n-i naa nab nac nad nae nai nan nar nas nat nau nba nbb nbc nbd nbe nbi nbn nbr nbs nbt nbu nca ncb ncc ncd nce nci ncn ncr ncs nct ncu nda ndb ndc ndd nde ndi ndn ndr nds ndt ndu ne- nea neb nec ned nee nei nen ner nes net neu nia nib nic nid nie nii nin nir nis nit niu nna nnb nnc nne nni nnn nns nnt nnu nra nrb nrc nrd nre nri nrn nrr nrs nrt nru nsa nsb nsc nsd nse nsi nsn nsr nss nst nsu nta ntb ntc ntd nte nti ntn ntr nts ntt ntu nua nub nuc nud nue nui nun nur nus nut nuu ra- raa rab rac rad rae rai ran rar ras rat rau rba rbb rbc rbd rbe rbi rbn rbr rbs rbt rbu rca rcb rcc rcd rce rci rcn rcr rcs rct rcu rda rdb rdc rdd rde rdi rdn rdr rds rdt rdu re- rea reb rec red ree rei ren rer res ret reu ria rib ric rid rie rii rin rir ris rit rna rnb rnc rnd rni rnn rnr rns rnt rnu rra rrb rrc rrd rri rrn rrr rrs rrt rru rsa rsb rsc rsd rse rsi rsn rsr rss rst rsu rta rtb rtc rtd rte rti rtn rtr rts rtt rtu rua rub ruc rud rue rui run rur rus rut ruu saa sab sac sad sae sai san sar sas