-er -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aai aak aan aar aat aau ab- aba abb abc abd abe abi abk abn abr abt abu ac- aca acb acc acd ace aci ack acn acr act acu ad- ada adb adc add ade adi adk adn adr adt adu aea aeb aec aed aee aei aek aen aer aet aeu ai- aia aib aic aid aie aii aik ain air ait aiu aka akb akc akd ake aki akk akn akr aku an- ana anb anc and ane ani ank ann anr ant anu ar- ara arb arc ard are ari ark arn arr art aru at- ata atb atc atd ate ati atn atr att atu au- aua aub auc aud aue aui auk aun aur aut b-u baa bab bac bad bae bai bak ban bar bat bau bba bbb bbc bbd bbe bbi bbk bbn bbr bbt bbu bca bcb bcc bcd bce bci bck bcn bcr bct bcu bda bdb bdc bdd bde bdi bdk bdr bdt bdu be- bea beb bec bed bee bei bek ben ber bet beu bi- bia bib bic bid bie bii bik bin bir bit biu bka bkb bkc bke bkk bkn bkr bkt bna bnb bnc bnd bne bni bnk bnn bnr bnt bnu bra brb brd bre bri brk brn brr brt bru bta btb btc btd bte bti btk btn btr btt btu bua bub buc bud bue bui buk bun bur but buu c-- caa cab cac cad cae cai cak can car cat cau cba cbb cbc cbd cbe cbi cbk cbn cbr cbt cbu cca ccb ccc ccd cce cci cck ccn ccr cct ccu cda cdb cdc cdd cde cdi cdk cdn cdr cdt cdu ce- cea ceb cec ced cee cei cek cen cer cet ceu ci- cia cib cic cid cie cii cik cin cir cit ciu cka ckb ckc ckd cki ckt cn- cna cnb cnc cnd cne cni cnn cnr cnt cnu cra crb crc crd cre cri crk crn crr crt cru cta ctb ctc ctd cte cti ctk ctn ctr ctt ctu cua cub cuc cud cue cui cuk cun cur cut cuu daa dab dac dad dae dai dak dan dar dat dau dba dbb dbc dbd dbe dbi dbk dbn dbr dbt dbu dca dcb dcc dcd dce dci dck dcn dcr dct dcu dda ddb ddc ddd dde ddi ddk ddn ddr ddt ddu de- dea deb dec ded dee dei dek den der det deu di- dia dib dic did die dii dik din dir dit diu dka dkb dkc dke dki dkk dkr dkt dku dna dnb dnc dnd dne dni dnk dnn dnr dnt dra drb drc drd dre dri drk drn drr drt dru dta dtb dtc dtd dte dti dtk dtn dtr dtt dtu dua dub duc dud due dui duk dun dur dut eaa eab eac ead eae eai eak ean ear eat eau eba ebb ebc ebd ebe ebi ebk ebn ebr ebt ebu ec- eca ecb ecc ecd ece eci eck ecn ecr ect ecu ed- eda edb edc edd ede edi edk edn edr edt edu eea eeb eec eed eee eek een eer eet eia eib eic eid eie eii eik ein eir eit eiu eka ekb ekc ekd eke eki ekr ekt eku en- ena enb enc end ene eni enk enn enr ent enu era erb erc erd ere eri erk ern err ert eru eta etb etc etd ete eti etk 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 ibk ibn ibr ibt ibu ica icb icc icd ice ici ick icn icr ict icu ida idb idc idd ide idi idk idn idr idt idu ie- iea iec ied iee iei iek ien ier iet iia iib iic iid iie iii iin iir iit iiu ika ikb ikc ike iki ikk ikr ikt iku in- ina inb inc ind ine ini ink inn inr int inu ir- ira irb irc ird ire iri irk irn irr irt iru ita itb itc itd ite iti itk itn itt itu iu- iua iub iuc iud iue iui iur iut k-t ka- kaa kab kac kad kae kai kak kan kar kat kau kba kbb kbc kbd kbe kbi kbk kbn kbr kbu kca kcb kcc kcd kce kci kck kcn kcr kct kcu kda kdb kdc kde kdk kdr kdt kdu ke- kea keb kec ked kee kei kek ken ker ket kia kib kic kid kie kii kik kin kir kit kiu kkb kkc kke kki kkk kkn kkr kkt kku kn- kna knc knd kne kni knk knn knr knt knu kra krc krd kri krk krn krr krt kru kta ktb ktc kte ktk ktn ktr ktt ktu kub kuc kud kue kui kuk kun kur kut kuu n-i naa nab nac nad nae nai nak nan nar nat nau nba nbb nbc nbd nbe nbi nbk nbn nbr nbt nbu nca ncb ncc ncd nce nci nck ncn ncr nct ncu nda ndb ndc ndd nde ndi ndk ndn ndr ndt ndu ne- nea neb nec ned nee nei nek nen ner net neu nia nib nic nid nie nii nik nin nir nit niu nka nkc nke nki nkk nkn nkr nkt nku nna nnb nnc nne nni nnk nnn nnt nnu nra nrb nrc nrd nre nri nrk nrn nrr nrt nru nta ntb ntc ntd nte nti ntk ntn ntr ntt ntu nua nub nuc nud nue nui nuk nun nur nut nuu ra- raa rab rac rad rae rai rak ran rar rat rau rba rbb rbc rbd rbe rbi rbk rbn rbr rbt rbu rca rcb rcc rcd rce rci rcn rcr rct rcu rda rdb rdc rdd rde rdi rdn rdr rdt rdu