-er -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aai aak aan aar aat ab- aba abb abc abd abe abi abk abn abr abt ac- aca acb acc acd ace aci ack acn acr act ad- ada adb adc add ade adi adk adn adr adt aea aeb aec aed aee aei aek aen aer aet ai- aia aib aic aid aie aii aik ain air ait aka akb akc akd ake aki akk akn akr an- ana anb anc and ane ani ank ann anr ant ar- ara arb arc ard are ari ark arn arr art at- ata atb atc atd ate ati atn atr att baa bab bac bad bae bai bak ban bar bat bba bbb bbc bbd bbe bbi bbk bbn bbr bbt bca bcb bcc bcd bce bci bck bcn bcr bct bda bdb bdc bdd bde bdi bdk bdr bdt be- bea beb bec bed bee bei bek ben ber bet bi- bia bib bic bid bie bii bik bin bir bit bka bkb bkc bke bkk bkn bkr bkt bna bnb bnc bnd bne bni bnk bnn bnr bnt bra brb brd bre bri brk brn brr brt bta btb btc btd bte bti btk btn btr btt c-- caa cab cac cad cae cai cak can car cat cba cbb cbc cbd cbe cbi cbk cbn cbr cbt cca ccb ccc ccd cce cci cck ccn ccr cct cda cdb cdc cdd cde cdi cdk cdn cdr cdt ce- cea ceb cec ced cee cei cek cen cer cet ci- cia cib cic cid cie cii cik cin cir cit cka ckb ckc ckd cki ckt cn- cna cnb cnc cnd cne cni cnn cnr cnt cra crb crc crd cre cri crk crn crr crt cta ctb ctc ctd cte cti ctk ctn ctr ctt daa dab dac dad dae dai dak dan dar dat dba dbb dbc dbd dbe dbi dbk dbn dbr dbt dca dcb dcc dcd dce dci dck dcn dcr dct dda ddb ddc ddd dde ddi ddk ddn ddr ddt de- dea deb dec ded dee dei dek den der det di- dia dib dic did die dii dik din dir dit dka dkb dkc dke dki dkk dkr dkt dna dnb dnc dnd dne dni dnk dnn dnr dnt dra drb drc drd dre dri drk drn drr drt dta dtb dtc dtd dte dti dtk dtn dtr dtt eaa eab eac ead eae eai eak ean ear eat eba ebb ebc ebd ebe ebi ebk ebn ebr ebt ec- eca ecb ecc ecd ece eci eck ecn ecr ect ed- eda edb edc edd ede edi edk edn edr edt eea eeb eec eed eee eek een eer eet eia eib eic eid eie eii eik ein eir eit eka ekb ekc ekd eke eki ekr ekt en- ena enb enc end ene eni enk enn enr ent era erb erc erd ere eri erk ern err ert eta etb etc etd ete eti etk etn etr ett i-d ia- iaa iab iac iad iae iai ian iar iat iba ibb ibc ibd ibe ibi ibk ibn ibr ibt ica icb icc icd ice ici ick icn icr ict ida idb idc idd ide idi idk idn idr idt ie- iea iec ied iee iei iek ien ier iet iia iib iic iid iie iii iin iir iit ika ikb ikc ike iki ikk ikr ikt in- ina inb inc ind ine ini ink inn inr int ir- ira irb irc ird ire iri irk irn irr irt ita itb itc itd ite iti itk itn itt k-t ka- kaa kab kac kad kae kai kak kan kar kat kba kbb kbc kbd kbe kbi kbk kbn kbr kca kcb kcc kcd kce kci kck kcn kcr kct kda kdb kdc kde kdk kdr kdt ke- kea keb kec ked kee kei kek ken ker ket kia kib kic kid kie kii kik kin kir kit kkb kkc kke kki kkk kkn kkr kkt kn- kna knc knd kne kni knk knn knr knt kra krc krd kri krk krn krr krt kta ktb ktc kte ktk ktn ktr ktt n-i naa nab nac nad nae nai nak nan nar nat nba nbb nbc nbd nbe nbi nbk nbn nbr nbt nca ncb ncc ncd nce nci nck ncn ncr nct nda ndb ndc ndd nde ndi ndk ndn ndr ndt ne- nea neb nec ned nee nei nek nen ner net nia nib nic nid nie nii nik nin nir nit nka nkc nke nki nkk nkn nkr nkt nna nnb nnc nne nni nnk nnn nnt nra nrb nrc nrd nre nri nrk nrn nrr nrt nta ntb ntc ntd nte nti ntk ntn ntr ntt ra- raa rab rac rad rae rai rak ran rar rat rba rbb rbc rbd rbe rbi rbk rbn rbr rbt rca rcb rcc rcd rce rci rcn rcr rct rda rdb rdc rdd rde rdi rdn rdr rdt re- rea reb rec red ree rei rek ren rer ret ria rib ric rid rie rii rik rin rir rit rkb rkc rke rkk rkt rna rnb rnc rnd rni rnn rnr rnt rra rrb rrc rrd rri rrk rrn rrr rrt rta rtb rtc rtd rte rti rtk rtn rtr rtt taa tab tac tad tae tai tak tan tar tat tba tbb tbc tbd tbe tbi tbk tbn tbr tbt tca tcb tcc tcd tce tci tck tcn tcr tct tda tdb tdc tdd tde tdi tdk tdn tdr tdt te- tea teb tec ted tee tei tek ten ter tet tia tib tic tid tie tii tik tin tir tit tka tkb tkc tke tkk tkr tkt tna tnb tnc tnd tne tni tnk tnn tnr tnt tra trb trc trd tre tri trk trn trr trt tta ttb ttc ttd tte tti ttk ttn ttr ttt