-er -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aaf aai aan aao aar aat ab- aba abb abc abd abe abf abi abn abo abr abt ac- aca acb acc acd ace acf aci acn aco acr act ad- ada adb adc add ade adf adi adn ado adr adt aea aeb aec aed aee aef aei aen aeo aer aet af- afa afb afc afd afe aff afi afn afo afr aft ai- aia aib aic aid aie aif aii ain aio air ait an- ana anb anc and ane anf ani ann ano anr ant aoa aob aoc aod aoe aof aoi aon aoo aor aot ar- ara arb arc ard are arf ari arn aro arr art at- ata atb atc atd ate atf ati atn ato atr att baa bab bac bad bae baf bai ban bao bar bat bba bbb bbc bbd bbe bbf bbi bbn bbo bbr bbt bca bcb bcc bcd bce bcf bci bcn bco bcr bct bda bdb bdc bdd bde bdf bdi bdo bdr bdt be- bea beb bec bed bee bef bei ben beo ber bet bfa bfb bfc bfd bfe bff bfi bfn bfo bfr bft bi- bia bib bic bid bie bif bii bin bio bir bit bna bnb bnc bnd bne bnf bni bnn bno bnr bnt boa bob boc bod boe bof boi bon boo bor bot bra brb brd bre brf bri brn bro brr brt bta btb btc btd bte btf bti btn bto btr btt c-- caa cab cac cad cae caf cai can cao car cat cba cbb cbc cbd cbe cbf cbi cbn cbo cbr cbt cca ccb ccc ccd cce ccf cci ccn cco ccr cct cda cdb cdc cdd cde cdf cdi cdn cdo cdr cdt ce- cea ceb cec ced cee cef cei cen ceo cer cet cfa cfb cfc cfd cfe cff cfi cfn cfo cfr cft ci- cia cib cic cid cie cif cii cin cio cir cit cn- cna cnb cnc cnd cne cnf cni cnn cno cnr cnt co- coa cob coc cod coe cof coi con coo cor cot cra crb crc crd cre crf cri crn cro crr crt cta ctb ctc ctd cte ctf cti ctn cto ctr ctt daa dab dac dad dae daf dai dan dao dar dat dba dbb dbc dbd dbe dbf dbi dbn dbo dbr dbt dca dcb dcc dcd dce dcf dci dcn dco dcr dct dda ddb ddc ddd dde ddf ddi ddn ddo ddr ddt de- dea deb dec ded dee def dei den deo der det dfa dfb dfc dfd dfe dff dfi dfn dfo dfr dft di- dia dib dic did die dif dii din dio dir dit dna dnb dnc dnd dne dnf dni dnn dno dnr dnt doa dob doc dod doe dof doi don doo dor dot dra drb drc drd dre dri drn dro drr drt dta dtb dtc dtd dte dtf dti dtn dto dtr dtt eaa eab eac ead eae eaf eai ean eao ear eat eba ebb ebc ebd ebe ebf ebi ebn ebo ebr ebt ec- eca ecb ecc ecd ece ecf eci ecn eco ecr ect ed- eda edb edc edd ede edf edi edn edo edr edt eea eeb eec eed eee eef een eeo eer eet ef- efa efb efc efd efe eff efi efo efr eft eia eib eic eid eie eif eii ein eio eir eit en- ena enb enc end ene enf eni enn eno enr ent eo- eoa eob eoc eod eoe eof eoi eon eoo eor eot era erb erc erd ere erf eri ern ero err ert eta etb etc etd ete etf eti etn eto etr ett faa fab fac fad fae faf fai fan fao far fat fba fbb fbc fbd fbe fbf fbi fbn fbo fbr fbt fca fcb fcc fcd fce fcf fci fcn fco fcr fct fda fdb fdc fdd fde fdf fdi fdn fdo fdr fdt fea feb fec fed fee fef fei fen feo fer fet ffa ffc ffd ffe fff ffi ffn ffo ffr fft fia fib fic fid fie fif fii fin fir fit fna fnb fnc fnd fne fnf fni fnn fnr fnt foa fob foc foe fof foi fon foo for fot fra frb frc frd fre frf fri frn fro frr frt fta ftb ftc ftd fte ftf fti ftn fto ftr ftt i-d i-f ia- iaa iab iac iad iae iaf iai ian iao iar iat iba ibb ibc ibd ibe ibf ibi ibn ibo ibr ibt ica icb icc icd ice icf ici icn ico icr ict ida idb idc idd ide idf idi idn ido idr idt ie- iea iec ied iee ief iei ien ier iet ifa ifb ifc ifd ife iff ifi ifn ifo ifr ift iia iib iic iid iie iif iii iin iio iir iit in- ina inb inc ind ine inf ini inn ino inr int io- ioa iob ioc iod ioe iof ioi ion ioo ior iot ir- ira irb irc ird ire irf iri irn iro irr irt ita itb itc itd ite itf iti itn ito itt n-i naa nab nac nad nae naf nai nan nao nar nat nba nbb nbc nbd nbe nbf nbi nbn nbo nbr nbt nca ncb ncc ncd nce ncf nci ncn nco ncr nct nda ndb ndc ndd nde ndf ndi ndn ndo ndr ndt ne- nea neb nec ned nee nef nei nen neo ner net nfa nfb nfc nfd nfe nff nfi nfn nfo nfr nft nia nib nic nid nie nif nii nin nio nir nit nna nnb nnc nne nnf nni nnn nno nnt no- noa nob noc nod noe nof noi non noo nor not nra nrb nrc nrd nre nrf nri nrn nro nrr nrt nta ntb ntc ntd nte ntf nti ntn nto ntr ntt o-i oaa oab oac oad oae oaf