-er -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aai aan aao aar aat ab- aba abb abc abd abe abi abn abo abr abt ac- aca acb acc acd ace aci acn aco acr act ad- ada adb adc add ade adi adn ado adr adt aea aeb aec aed aee aei aen aeo aer aet ai- aia aib aic aid aie aii ain aio air ait an- ana anb anc and ane ani ann ano anr ant aoa aob aoc aod aoe aoi aon aoo aor aot ar- ara arb arc ard are ari arn aro arr art at- ata atb atc atd ate ati atn ato atr att baa bab bac bad bae bai ban bao bar bat bba bbb bbc bbd bbe bbi bbn bbo bbr bbt bca bcb bcc bcd bce bci bcn bco bcr bct bda bdb bdc bdd bde bdi bdo bdr bdt be- bea beb bec bed bee bei ben beo ber bet bi- bia bib bic bid bie bii bin bio bir bit bna bnb bnc bnd bne bni bnn bno bnr bnt boa bob boc bod boe boi bon boo bor bot bra brb brd bre bri brn bro brr brt bta btb btc btd bte bti btn bto btr btt c-- caa cab cac cad cae cai can cao car cat cba cbb cbc cbd cbe cbi cbn cbo cbr cbt cca ccb ccc ccd cce cci ccn cco ccr cct cda cdb cdc cdd cde cdi cdn cdo cdr cdt ce- cea ceb cec ced cee cei cen ceo cer cet ci- cia cib cic cid cie cii cin cio cir cit cn- cna cnb cnc cnd cne cni cnn cno cnr cnt co- coa cob coc cod coe coi con coo cor cot cra crb crc crd cre cri crn cro crr crt cta ctb ctc ctd cte cti ctn cto ctr ctt daa dab dac dad dae dai dan dao dar dat dba dbb dbc dbd dbe dbi dbn dbo dbr dbt dca dcb dcc dcd dce dci dcn dco dcr dct dda ddb ddc ddd dde ddi ddn ddo ddr ddt de- dea deb dec ded dee dei den deo der det di- dia dib dic did die dii din dio dir dit dna dnb dnc dnd dne dni dnn dno dnr dnt doa dob doc dod doe doi don doo dor dot dra drb drc drd dre dri drn dro drr drt dta dtb dtc dtd dte dti dtn dto dtr dtt eaa eab eac ead eae eai ean eao ear eat eba ebb ebc ebd ebe ebi ebn ebo ebr ebt ec- eca ecb ecc ecd ece eci ecn eco ecr ect ed- eda edb edc edd ede edi edn edo edr edt eea eeb eec eed eee een eeo eer eet eia eib eic eid eie eii ein eio eir eit en- ena enb enc end ene eni enn eno enr ent eo- eoa eob eoc eod eoe eoi eon eoo eor eot era erb erc erd ere eri ern ero err ert eta etb etc etd ete eti etn eto etr ett i-d ia- iaa iab iac iad iae iai ian iao iar iat iba ibb ibc ibd ibe ibi ibn ibo ibr ibt ica icb icc icd ice ici icn ico icr ict ida idb idc idd ide idi idn ido idr idt ie- iea iec ied iee iei ien ier iet iia iib iic iid iie iii iin iio iir iit in- ina inb inc ind ine ini inn ino inr int io- ioa iob ioc iod ioe ioi ion ioo ior iot ir- ira irb irc ird ire iri irn iro irr irt ita itb itc itd ite iti itn ito itt n-i naa nab nac nad nae nai nan nao nar nat nba nbb nbc nbd nbe nbi nbn nbo nbr nbt nca ncb ncc ncd nce nci ncn nco ncr nct nda ndb ndc ndd nde ndi ndn ndo ndr ndt ne- nea neb nec ned nee nei nen neo ner net nia nib nic nid nie nii nin nio nir nit nna nnb nnc nne nni nnn nno nnt no- noa nob noc nod noe noi non noo nor not nra nrb nrc nrd nre nri nrn nro nrr nrt nta ntb ntc ntd nte nti ntn nto ntr ntt o-i oaa oab oac oad oae oai oan oao oar oat ob- oba obb obc obd obe obi obn obo obr obt oc- oca ocb occ ocd oci ocn oco ocr oct oda odb odc odd ode odi odn odo odr odt oea oeb oec oed oee oei oen oeo oer oet oia oib oic oid oie oii oin oio oir oit on- ona onb onc ond one oni onn ono onr ont oo- ooa oob ooc ood ooi oon ooo oor oot or- ora orb orc ord ore ori orn oro orr ort ot- ota otb otc otd ote oti otn oto otr ott ra- raa rab rac rad rae rai ran rao rar rat rba rbb rbc rbd rbe rbi rbn rbo rbr rbt rca rcb rcc rcd rce rci rcn rco rcr rct rda rdb rdc rdd rde rdi rdn rdo rdr rdt re- rea reb rec red ree rei ren reo rer ret ria rib ric rid rie rii rin rio rir rit rna rnb rnc rnd rni rnn rno rnr rnt roa rob roc rod roe roi ron roo ror rot rra rrb rrc rrd rri rrn rrr rrt rta rtb rtc rtd rte rti rtn rto rtr rtt taa tab tac tad tae tai tan tao tar tat tba tbb tbc tbd tbe tbi tbn tbo tbr tbt tca tcb tcc tcd tce tci tcn tco tcr tct tda tdb tdc tdd tde tdi tdn tdo tdr tdt te- tea teb tec ted tee tei ten teo ter tet tia tib tic tid tie tii tin tio tir tit tna tnb tnc tnd tne tni tnn