-er -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aaf aai aan aar aat aau ab- aba abb abc abd abe abf abi abn abr abt abu ac- aca acb acc acd ace acf aci acn acr act acu ad- ada adb adc add ade adf adi adn adr adt adu aea aeb aec aed aee aef aei aen aer aet aeu af- afa afb afc afd afe aff afi afn afr aft afu ai- aia aib aic aid aie aif aii ain air ait aiu an- ana anb anc and ane anf ani ann anr ant anu ar- ara arb arc ard are arf ari arn arr art aru at- ata atb atc atd ate atf ati atn atr att atu au- aua aub auc aud aue auf aui aun aur aut b-u baa bab bac bad bae baf bai ban bar bat bau bba bbb bbc bbd bbe bbf bbi bbn bbr bbt bbu bca bcb bcc bcd bce bcf bci bcn bcr bct bcu bda bdb bdc bdd bde bdf bdi bdr bdt bdu be- bea beb bec bed bee bef bei ben ber bet beu bfa bfb bfc bfd bfe bff bfi bfn bfr bft bfu bi- bia bib bic bid bie bif bii bin bir bit biu bna bnb bnc bnd bne bnf bni bnn bnr bnt bnu bra brb brd bre brf bri brn brr brt bru bta btb btc btd bte btf bti btn btr btt btu bua bub buc bud bue buf bui bun bur but buu c-- caa cab cac cad cae caf cai can car cat cau cba cbb cbc cbd cbe cbf cbi cbn cbr cbt cbu cca ccb ccc ccd cce ccf cci ccn ccr cct ccu cda cdb cdc cdd cde cdf cdi cdn cdr cdt cdu ce- cea ceb cec ced cee cef cei cen cer cet ceu cfa cfb cfc cfd cfe cff cfi cfn cfr cft cfu ci- cia cib cic cid cie cif cii cin cir cit ciu cn- cna cnb cnc cnd cne cnf cni cnn cnr cnt cnu cra crb crc crd cre crf cri crn crr crt cru cta ctb ctc ctd cte ctf cti ctn ctr ctt ctu cua cub cuc cud cue cuf cui cun cur cut cuu daa dab dac dad dae daf dai dan dar dat dau dba dbb dbc dbd dbe dbf dbi dbn dbr dbt dbu dca dcb dcc dcd dce dcf dci dcn dcr dct dcu dda ddb ddc ddd dde ddf ddi ddn ddr ddt ddu de- dea deb dec ded dee def dei den der det deu dfa dfb dfc dfd dfe dff dfi dfn dfr dft dfu di- dia dib dic did die dif dii din dir dit diu dna dnb dnc dnd dne dnf dni dnn dnr dnt dra drb drc drd dre dri drn drr drt dru dta dtb dtc dtd dte dtf dti dtn dtr dtt dtu dua dub duc dud due duf dui dun dur dut eaa eab eac ead eae eaf eai ean ear eat eau eba ebb ebc ebd ebe ebf ebi ebn ebr ebt ebu ec- eca ecb ecc ecd ece ecf eci ecn ecr ect ecu ed- eda edb edc edd ede edf edi edn edr edt edu eea eeb eec eed eee eef een eer eet ef- efa efb efc efd efe eff efi efr eft eia eib eic eid eie eif eii ein eir eit eiu en- ena enb enc end ene enf eni enn enr ent enu era erb erc erd ere erf eri ern err ert eru eta etb etc etd ete etf eti etn etr ett etu eu- eua eub euc eud eue euf eui eun eur eut faa fab fac fad fae faf fai fan far fat fau fba fbb fbc fbd fbe fbf fbi fbn fbr fbt fbu fca fcb fcc fcd fce fcf fci fcn fcr fct fcu fda fdb fdc fdd fde fdf fdi fdn fdr fdt fdu fea feb fec fed fee fef fei fen fer fet feu ffa ffc ffd ffe fff ffi ffn ffr fft ffu fia fib fic fid fie fif fii fin fir fit fiu fna fnb fnc fnd fne fnf fni fnn fnr fnt fnu fra frb frc frd fre frf fri frn frr frt fru fta ftb ftc ftd fte ftf fti ftn ftr ftt ftu fua fub fud fue fuf fui fun fur fut fuu i-d i-f ia- iaa iab iac iad iae iaf iai ian iar iat iau iba ibb ibc ibd ibe ibf ibi ibn ibr ibt ibu ica icb icc icd ice icf ici icn icr ict icu ida idb idc idd ide idf idi idn idr idt idu ie- iea iec ied iee ief iei ien ier iet ifa ifb ifc ifd ife iff ifi ifn ifr ift ifu iia iib iic iid iie iif iii iin iir iit iiu in- ina inb inc ind ine inf ini inn inr int inu ir- ira irb irc ird ire irf iri irn irr irt iru ita itb itc itd ite itf iti itn itt itu iu- iua iub iuc iud iue iui iur iut n-i naa nab nac nad nae naf nai nan nar nat nau nba nbb nbc nbd nbe nbf nbi nbn nbr nbt nbu nca ncb ncc ncd nce ncf nci ncn ncr nct ncu nda ndb ndc ndd nde ndf ndi ndn ndr ndt ndu ne- nea neb nec ned nee nef nei nen ner net neu nfa nfb nfc nfd nfe nff nfi nfn nfr nft nfu nia nib nic nid nie nif nii nin nir nit niu nna nnb nnc nne nnf nni nnn nnt nnu nra nrb nrc nrd nre nrf nri nrn nrr nrt nru nta ntb ntc ntd nte ntf nti ntn ntr ntt ntu nua nub nuc nud nue nui nun nur nut nuu ra- raa rab rac rad rae raf rai ran rar rat rau rba rbb rbc