-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aaf aai aan aao aar aas aat aau ab- aba abb abc abe abf abi abn abo abr abs abt abu ac- aca acb acc ace acf aci acn aco acr acs act acu aea aeb aec aee aef aei aen aeo aer aes aet aeu af- afa afb afc afe aff afi afn afo afr afs aft afu ai- aia aib aic aie aif aii ain aio air ais ait aiu an- ana anb anc ane anf ani ann ano anr ans ant anu aoa aob aoc aoe aof aoi aon aoo aor aos aot aou ar- ara arb arc are arf ari arn aro arr ars art aru as- asa asb asc ase asf asi asn aso asr ass ast asu at- ata atb atc ate atf ati atn ato atr ats att atu au- aua aub auc aue auf aui aun auo aur aus aut b-u baa bab bac bae baf bai ban bao bar bas bat bau bba bbb bbc bbe bbf bbi bbn bbo bbr bbs bbt bbu bca bcb bcc bce bcf bci bcn bco bcr bcs bct bcu be- bea beb bec bee bef bei ben beo ber bes bet beu bfa bfb bfc bfe bff bfi bfn bfo bfr bfs bft bfu bi- bia bib bic bie bif bii bin bio bir bis bit biu bna bnb bnc bne bnf bni bnn bno bnr bns bnt bnu boa bob boc boe bof boi bon boo bor bos bot bou bra brb bre brf bri brn bro brr brs brt bru bsa bsb bsc bse bsf bsi bsn bso bsr bss bst bsu bta btb btc bte btf bti btn bto btr bts btt btu bua bub buc bue buf bui bun buo bur bus but buu c-- caa cab cac cae caf cai can cao car cas cat cau cba cbb cbc cbe cbf cbi cbn cbo cbr cbs cbt cbu cca ccb ccc cce ccf cci ccn cco ccr ccs cct ccu ce- cea ceb cec cee cef cei cen ceo cer ces cet ceu cfa cfb cfc cfe cff cfi cfn cfo cfr cfs cft cfu ci- cia cib cic cie cif cii cin cio cir cis cit ciu cn- cna cnb cnc cne cnf cni cnn cno cnr cns cnt cnu co- coa cob coc coe cof coi con coo cor cos cot cou cra crb crc cre crf cri crn cro crr crs crt cru csa csb csc cse csf csi csn cso csr css cst csu cta ctb ctc cte ctf cti ctn cto ctr cts ctt ctu cua cub cuc cue cuf cui cun cuo cur cus cut cuu eaa eab eac eae eaf eai ean eao ear eas eat eau eba ebb ebc ebe ebf ebi ebn ebo ebr ebs ebt ebu ec- eca ecb ecc ece ecf eci ecn eco ecr ecs ect ecu eea eeb eec eee eef een eeo eer ees eet ef- efa efb efc efe eff efi efo efr efs eft eia eib eic eie eif eii ein eio eir eis eit eiu en- ena enb enc ene enf eni enn eno enr ens ent enu eo- eoa eob eoc eoe eof eoi eon eoo eor eos eot eou era erb erc ere erf eri ern ero err ers ert eru es- esa esb esc ese esf esi esn eso esr ess est esu eta etb etc ete etf eti etn eto etr ets ett etu eu- eua eub euc eue euf eui eun eur eus eut faa fab fac fae faf fai fan fao far fas fat fau fba fbb fbc fbe fbf fbi fbn fbo fbr fbs fbt fbu fca fcb fcc fce fcf fci fcn fco fcr fcs fct fcu fea feb fec fee fef fei fen feo fer fes fet feu ffa ffc ffe fff ffi ffn ffo ffr ffs fft ffu fia fib fic fie fif fii fin fir fis fit fiu fna fnb fnc fne fnf fni fnn fnr fns fnt fnu foa fob foc foe fof foi fon foo for fos fot fou fra frb frc fre frf fri frn fro frr frs frt fru fsa fsb fsc fse fsf fsi fsn fso fsr fss fst fsu fta ftb ftc fte ftf fti ftn fto ftr fts ftt ftu fua fub fue fuf fui fun fuo fur fus fut fuu i-f ia- iaa iab iac iae iaf iai ian iao iar ias iat iau iba ibb ibc ibe ibf ibi ibn ibo ibr ibs ibt ibu ica icb icc ice icf ici icn ico icr ics ict icu ie- iea iec iee ief iei ien ier ies iet ifa ifb ifc ife iff ifi ifn ifo ifr ifs ift ifu iia iib iic iie iif iii iin iio iir iis iit iiu in- ina inb inc ine inf ini inn ino inr ins int inu io- ioa iob ioc ioe iof ioi ion ioo ior ios iot iou ir- ira irb irc ire irf iri irn iro irr irs irt iru is- isa isb isc ise isf isi isn iso isr iss ist isu ita itb itc ite itf iti itn ito its itt itu iu- iua iub iuc iue iui iur ius iut n-i naa nab nac nae naf nai nan nao nar nas nat nau nba nbb nbc nbe nbf nbi nbn nbo nbr nbs nbt nbu nca ncb ncc nce ncf nci ncn nco ncr ncs nct ncu ne- nea neb nec nee nef nei nen neo ner nes net neu nfa nfb nfc nfe nff nfi nfn nfo nfr nfs nft nfu nia nib nic nie nif nii nin nio nir nis nit niu nna nnb nnc nne nnf nni nnn nno nns nnt nnu no- noa nob noc noe nof noi non noo nor nos not nou nra nrb nrc nre nrf nri nrn nro nrr nrs nrt nru nsa nsb nsc nse nsf nsi nsn nso