-er -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aai aan aar aat aau ab- aba abb abc abd abe abi abn abr abt abu ac- aca acb acc acd ace aci acn acr act acu ad- ada adb adc add ade adi adn adr adt adu aea aeb aec aed aee aei aen aer aet aeu ai- aia aib aic aid aie aii ain air ait aiu an- ana anb anc and ane ani ann anr ant anu ar- ara arb arc ard are ari arn arr art aru at- ata atb atc atd ate ati atn atr att atu au- aua aub auc aud aue aui aun aur aut b-u baa bab bac bad bae bai ban bar bat bau bba bbb bbc bbd bbe bbi bbn bbr bbt bbu bca bcb bcc bcd bce bci bcn bcr bct bcu bda bdb bdc bdd bde bdi bdr bdt bdu be- bea beb bec bed bee bei ben ber bet beu bi- bia bib bic bid bie bii bin bir bit biu bna bnb bnc bnd bne bni bnn bnr bnt bnu bra brb brd bre bri brn brr brt bru bta btb btc btd bte bti btn btr btt btu bua bub buc bud bue bui bun bur but buu c-- caa cab cac cad cae cai can car cat cau cba cbb cbc cbd cbe cbi cbn cbr cbt cbu cca ccb ccc ccd cce cci ccn ccr cct ccu cda cdb cdc cdd cde cdi cdn cdr cdt cdu ce- cea ceb cec ced cee cei cen cer cet ceu ci- cia cib cic cid cie cii cin cir cit ciu cn- cna cnb cnc cnd cne cni cnn cnr cnt cnu cra crb crc crd cre cri crn crr crt cru cta ctb ctc ctd cte cti ctn ctr ctt ctu cua cub cuc cud cue cui cun cur cut cuu daa dab dac dad dae dai dan dar dat dau dba dbb dbc dbd dbe dbi dbn dbr dbt dbu dca dcb dcc dcd dce dci dcn dcr dct dcu dda ddb ddc ddd dde ddi ddn ddr ddt ddu de- dea deb dec ded dee dei den der det deu di- dia dib dic did die dii din dir dit diu dna dnb dnc dnd dne dni dnn dnr dnt dra drb drc drd dre dri drn drr drt dru dta dtb dtc dtd dte dti dtn dtr dtt dtu dua dub duc dud due dui dun dur dut eaa eab eac ead eae eai ean ear eat eau eba ebb ebc ebd ebe ebi ebn ebr ebt ebu ec- eca ecb ecc ecd ece eci ecn ecr ect ecu ed- eda edb edc edd ede edi edn edr edt edu eea eeb eec eed eee een eer eet eia eib eic eid eie eii ein eir eit eiu en- ena enb enc end ene eni enn enr ent enu era erb erc erd ere eri ern err ert eru eta etb etc etd ete eti etn etr ett etu eu- eua eub euc eud eue eui eun eur eut i-d ia- iaa iab iac iad iae iai ian iar iat iau iba ibb ibc ibd ibe ibi ibn ibr ibt ibu ica icb icc icd ice ici icn icr ict icu ida idb idc idd ide idi idn idr idt idu ie- iea iec ied iee iei ien ier iet iia iib iic iid iie iii iin iir iit iiu in- ina inb inc ind ine ini inn inr int inu ir- ira irb irc ird ire iri irn irr irt iru ita itb itc itd ite iti itn itt itu iu- iua iub iuc iud iue iui iur iut n-i naa nab nac nad nae nai nan nar nat nau nba nbb nbc nbd nbe nbi nbn nbr nbt nbu nca ncb ncc ncd nce nci ncn ncr nct ncu nda ndb ndc ndd nde ndi ndn ndr ndt ndu ne- nea neb nec ned nee nei nen ner net neu nia nib nic nid nie nii nin nir nit niu nna nnb nnc nne nni nnn nnt nnu nra nrb nrc nrd nre nri nrn nrr nrt nru nta ntb ntc ntd nte nti ntn ntr ntt ntu nua nub nuc nud nue nui nun nur nut nuu ra- raa rab rac rad rae rai ran rar rat rau rba rbb rbc rbd rbe rbi rbn rbr rbt rbu rca rcb rcc rcd rce rci rcn rcr rct rcu rda rdb rdc rdd rde rdi rdn rdr rdt rdu re- rea reb rec red ree rei ren rer ret reu ria rib ric rid rie rii rin rir rit rna rnb rnc rnd rni rnn rnr rnt rnu rra rrb rrc rrd rri rrn rrr rrt rru rta rtb rtc rtd rte rti rtn rtr rtt rtu rua rub ruc rud rue rui run rur rut ruu taa tab tac tad tae tai tan tar tat tau tba tbb tbc tbd tbe tbi tbn tbr tbt tbu tca tcb tcc tcd tce tci tcn tcr tct tcu tda tdb tdc tdd tde tdi tdn tdr tdt tdu te- tea teb tec ted tee tei ten ter tet teu tia tib tic tid tie tii tin tir tit tiu tna tnb tnc tnd tne tni tnn tnr tnt tra trb trc trd tre tri trn trr trt tru tta ttb ttc ttd tte tti ttn ttr ttt ttu tua tub tuc tud tue tui tun tur tut tuu ua- uaa uab uac uad uae uai uan uar uat uau uba ubb ubc ube ubi ubn ubr ubt ubu uca ucb ucc ucd uce uci ucn ucr uct ucu uda udb udc udd ude udi udn udr udt udu uea ueb uec ued uee uei uen uer uet uia uib uic uid uie uii uin uir uit uiu un- una unb unc und une uni unn unr unt unu ur- ura urb urc urd ure uri urn urr urt