-er -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aai aan aao aar aat aau ab- aba abb abc abd abe abi abn abo abr abt abu ac- aca acb acc acd ace aci acn aco acr act acu ad- ada adb adc add ade adi adn ado adr adt adu aea aeb aec aed aee aei aen aeo aer aet aeu ai- aia aib aic aid aie aii ain aio air ait aiu an- ana anb anc and ane ani ann ano anr ant anu aoa aob aoc aod aoe aoi aon aoo aor aot aou ar- ara arb arc ard are ari arn aro arr art aru at- ata atb atc atd ate ati atn ato atr att atu au- aua aub auc aud aue aui aun auo aur aut b-u baa bab bac bad bae bai ban bao bar bat bau bba bbb bbc bbd bbe bbi bbn bbo bbr bbt bbu bca bcb bcc bcd bce bci bcn bco bcr bct bcu bda bdb bdc bdd bde bdi bdo bdr bdt bdu be- bea beb bec bed bee bei ben beo ber bet beu bi- bia bib bic bid bie bii bin bio bir bit biu bna bnb bnc bnd bne bni bnn bno bnr bnt bnu boa bob boc bod boe boi bon boo bor bot bou bra brb brd bre bri brn bro brr brt bru bta btb btc btd bte bti btn bto btr btt btu bua bub buc bud bue bui bun buo bur but buu c-- caa cab cac cad cae cai can cao car cat cau cba cbb cbc cbd cbe cbi cbn cbo cbr cbt cbu cca ccb ccc ccd cce cci ccn cco ccr cct ccu cda cdb cdc cdd cde cdi cdn cdo cdr cdt cdu ce- cea ceb cec ced cee cei cen ceo cer cet ceu ci- cia cib cic cid cie cii cin cio cir cit ciu cn- cna cnb cnc cnd cne cni cnn cno cnr cnt cnu co- coa cob coc cod coe coi con coo cor cot cou cra crb crc crd cre cri crn cro crr crt cru cta ctb ctc ctd cte cti ctn cto ctr ctt ctu cua cub cuc cud cue cui cun cuo cur cut cuu daa dab dac dad dae dai dan dao dar dat dau dba dbb dbc dbd dbe dbi dbn dbo dbr dbt dbu dca dcb dcc dcd dce dci dcn dco dcr dct dcu dda ddb ddc ddd dde ddi ddn ddo ddr ddt ddu de- dea deb dec ded dee dei den deo der det deu di- dia dib dic did die dii din dio dir dit diu dna dnb dnc dnd dne dni dnn dno dnr dnt doa dob doc dod doe doi don doo dor dot dou dra drb drc drd dre dri drn dro drr drt dru dta dtb dtc dtd dte dti dtn dto dtr dtt dtu dua dub duc dud due dui dun duo dur dut eaa eab eac ead eae eai ean eao ear eat eau eba ebb ebc ebd ebe ebi ebn ebo ebr ebt ebu ec- eca ecb ecc ecd ece eci ecn eco ecr ect ecu ed- eda edb edc edd ede edi edn edo edr edt edu eea eeb eec eed eee een eeo eer eet eia eib eic eid eie eii ein eio eir eit eiu en- ena enb enc end ene eni enn eno enr ent enu eo- eoa eob eoc eod eoe eoi eon eoo eor eot eou era erb erc erd ere eri ern ero err ert eru eta etb etc etd ete eti etn eto etr ett etu eu- eua eub euc eud eue eui eun eur eut i-d ia- iaa iab iac iad iae iai ian iao iar iat iau iba ibb ibc ibd ibe ibi ibn ibo ibr ibt ibu ica icb icc icd ice ici icn ico icr ict icu ida idb idc idd ide idi idn ido idr idt idu ie- iea iec ied iee iei ien ier iet iia iib iic iid iie iii iin iio iir iit iiu in- ina inb inc ind ine ini inn ino inr int inu io- ioa iob ioc iod ioe ioi ion ioo ior iot iou ir- ira irb irc ird ire iri irn iro irr irt iru ita itb itc itd ite iti itn ito itt itu iu- iua iub iuc iud iue iui iur iut n-i naa nab nac nad nae nai nan nao nar nat nau nba nbb nbc nbd nbe nbi nbn nbo nbr nbt nbu nca ncb ncc ncd nce nci ncn nco ncr nct ncu nda ndb ndc ndd nde ndi ndn ndo ndr ndt ndu ne- nea neb nec ned nee nei nen neo ner net neu nia nib nic nid nie nii nin nio nir nit niu nna nnb nnc nne nni nnn nno nnt nnu no- noa nob noc nod noe noi non noo nor not nou nra nrb nrc nrd nre nri nrn nro nrr nrt nru nta ntb ntc ntd nte nti ntn nto ntr ntt ntu nua nub nuc nud nue nui nun nuo nur nut nuu o-i oaa oab oac oad oae oai oan oao oar oat oau ob- oba obb obc obd obe obi obn obo obr obt obu oc- oca ocb occ ocd oci ocn oco ocr oct ocu oda odb odc odd ode odi odn odo odr odt odu oea oeb oec oed oee oei oen oeo oer oet oia oib oic oid oie oii oin oio oir oit oiu on- ona onb onc ond one oni onn ono onr ont onu oo- ooa oob ooc ood ooi oon ooo oor oot or- ora orb orc ord ore ori orn oro orr ort oru ot- ota otb otc otd ote oti otn oto otr ott otu ou- oua ouc oud oue oui oun ouo our out ra- raa rab rac rad rae rai ran