-ic a-a a-b a-c a-i a-t aaa aab aac aae aaf aai aan aao aas aat aau ab- aba abb abc abe abf abi abn abo abs abt abu ac- aca acb acc ace acf aci acn aco acs act acu aea aeb aec aee aef aei aen aeo aes aet aeu af- afa afb afc afe aff afi afn afo afs aft afu ai- aia aib aic aie aif aii ain aio ais ait aiu an- ana anb anc ane anf ani ann ano ans ant anu aoa aob aoc aoe aof aoi aon aoo aos aot aou as- asa asb asc ase asf asi asn aso ass ast asu at- ata atb atc ate atf ati atn ato ats att atu au- aua aub auc aue auf aui aun auo aus aut b-u baa bab bac bae baf bai ban bao bas bat bau bba bbb bbc bbe bbf bbi bbn bbo bbs bbt bbu bca bcb bcc bce bcf bci bcn bco bcs bct bcu be- bea beb bec bee bef bei ben beo bes bet beu bfa bfb bfc bfe bff bfi bfn bfo bfs bft bfu bi- bia bib bic bie bif bii bin bio bis bit biu bna bnb bnc bne bnf bni bnn bno bns bnt bnu boa bob boc boe bof boi bon boo bos bot bou bsa bsb bsc bse bsf bsi bsn bso bss bst bsu bta btb btc bte btf bti btn bto bts btt btu bua bub buc bue buf bui bun buo bus but buu c-- caa cab cac cae caf cai can cao cas cat cau cba cbb cbc cbe cbf cbi cbn cbo cbs cbt cbu cca ccb ccc cce ccf cci ccn cco ccs cct ccu ce- cea ceb cec cee cef cei cen ceo ces cet ceu cfa cfb cfc cfe cff cfi cfn cfo cfs cft cfu ci- cia cib cic cie cif cii cin cio cis cit ciu cn- cna cnb cnc cne cnf cni cnn cno cns cnt cnu co- coa cob coc coe cof coi con coo cos cot cou csa csb csc cse csf csi csn cso css cst csu cta ctb ctc cte ctf cti ctn cto cts ctt ctu cua cub cuc cue cuf cui cun cuo cus cut cuu eaa eab eac eae eaf eai ean eao eas eat eau eba ebb ebc ebe ebf ebi ebn ebo ebs ebt ebu ec- eca ecb ecc ece ecf eci ecn eco ecs ect ecu eea eeb eec eee eef een eeo ees eet ef- efa efb efc efe eff efi efo efs eft eia eib eic eie eif eii ein eio eis eit eiu en- ena enb enc ene enf eni enn eno ens ent enu eo- eoa eob eoc eoe eof eoi eon eoo eos eot eou es- esa esb esc ese esf esi esn eso ess est esu eta etb etc ete etf eti etn eto ets ett etu eu- eua eub euc eue euf eui eun eus eut faa fab fac fae faf fai fan fao fas fat fau fba fbb fbc fbe fbf fbi fbn fbo fbs fbt fbu fca fcb fcc fce fcf fci fcn fco fcs fct fcu fea feb fec fee fef fei fen feo fes fet feu ffa ffc ffe fff ffi ffn ffo ffs fft ffu fia fib fic fie fif fii fin fis fit fiu fna fnb fnc fne fnf fni fnn fns fnt fnu foa fob foc foe fof foi fon foo fos fot fou fsa fsb fsc fse fsf fsi fsn fso fss fst fsu fta ftb ftc fte ftf fti ftn fto fts ftt ftu fua fub fue fuf fui fun fuo fus fut fuu i-f ia- iaa iab iac iae iaf iai ian iao ias iat iau iba ibb ibc ibe ibf ibi ibn ibo ibs ibt ibu ica icb icc ice icf ici icn ico ics ict icu ie- iea iec iee ief iei ien ies iet ifa ifb ifc ife iff ifi ifn ifo ifs ift ifu iia iib iic iie iif iii iin iio iis iit iiu in- ina inb inc ine inf ini inn ino ins int inu io- ioa iob ioc ioe iof ioi ion ioo ios iot iou is- isa isb isc ise isf isi isn iso iss ist isu ita itb itc ite itf iti itn ito its itt itu iu- iua iub iuc iue iui ius iut n-i naa nab nac nae naf nai nan nao nas nat nau nba nbb nbc nbe nbf nbi nbn nbo nbs nbt nbu nca ncb ncc nce ncf nci ncn nco ncs nct ncu ne- nea neb nec nee nef nei nen neo nes net neu nfa nfb nfc nfe nff nfi nfn nfo nfs nft nfu nia nib nic nie nif nii nin nio nis nit niu nna nnb nnc nne nnf nni nnn nno nns nnt nnu no- noa nob noc noe nof noi non noo nos not nou nsa nsb nsc nse nsf nsi nsn nso nss nst nsu nta ntb ntc nte ntf nti ntn nto nts ntt ntu nua nub nuc nue nui nun nuo nus nut nuu o-i oaa oab oac oae oaf oai oan oao oas oat oau ob- oba obb obc obe obf obi obn obo obs obt obu oc- oca ocb occ ocf oci ocn oco ocs oct ocu oea oeb oec oee oef oei oen oeo oes oet of- ofa ofb ofc ofe off ofi ofn ofo ofs oft ofu oia oib oic oie oif oii oin oio ois oit oiu on- ona onb onc one onf oni onn ono ons ont onu oo- ooa oob ooc oof ooi oon ooo oos oot os- osa osb osc ose osf osi osn oso oss ost osu ot- ota otb otc ote otf oti otn oto ots ott otu ou- oua ouc oue ouf oui oun ouo ous out saa sab sac sae saf sai san sao sas sat