-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aaf aai aan aao aar aat aau ab- aba abb abc abe abf abi abn abo abr abt abu ac- aca acb acc ace acf aci acn aco acr act acu aea aeb aec aee aef aei aen aeo aer aet aeu af- afa afb afc afe aff afi afn afo afr aft afu ai- aia aib aic aie aif aii ain aio air ait aiu an- ana anb anc ane anf ani ann ano anr ant anu aoa aob aoc aoe aof aoi aon aoo aor aot aou ar- ara arb arc are arf ari arn aro arr art aru at- ata atb atc ate atf ati atn ato atr att atu au- aua aub auc aue auf aui aun auo aur aut b-u baa bab bac bae baf bai ban bao bar bat bau bba bbb bbc bbe bbf bbi bbn bbo bbr bbt bbu bca bcb bcc bce bcf bci bcn bco bcr bct bcu be- bea beb bec bee bef bei ben beo ber bet beu bfa bfb bfc bfe bff bfi bfn bfo bfr bft bfu bi- bia bib bic bie bif bii bin bio bir bit biu bna bnb bnc bne bnf bni bnn bno bnr bnt bnu boa bob boc boe bof boi bon boo bor bot bou bra brb bre brf bri brn bro brr brt bru bta btb btc bte btf bti btn bto btr btt btu bua bub buc bue buf bui bun buo bur but buu c-- caa cab cac cae caf cai can cao car cat cau cba cbb cbc cbe cbf cbi cbn cbo cbr cbt cbu cca ccb ccc cce ccf cci ccn cco ccr cct ccu ce- cea ceb cec cee cef cei cen ceo cer cet ceu cfa cfb cfc cfe cff cfi cfn cfo cfr cft cfu ci- cia cib cic cie cif cii cin cio cir cit ciu cn- cna cnb cnc cne cnf cni cnn cno cnr cnt cnu co- coa cob coc coe cof coi con coo cor cot cou cra crb crc cre crf cri crn cro crr crt cru cta ctb ctc cte ctf cti ctn cto ctr ctt ctu cua cub cuc cue cuf cui cun cuo cur cut cuu eaa eab eac eae eaf eai ean eao ear eat eau eba ebb ebc ebe ebf ebi ebn ebo ebr ebt ebu ec- eca ecb ecc ece ecf eci ecn eco ecr ect ecu eea eeb eec eee eef een eeo eer eet ef- efa efb efc efe eff efi efo efr eft eia eib eic eie eif eii ein eio eir eit eiu en- ena enb enc ene enf eni enn eno enr ent enu eo- eoa eob eoc eoe eof eoi eon eoo eor eot eou era erb erc ere erf eri ern ero err ert eru eta etb etc ete etf eti etn eto etr ett etu eu- eua eub euc eue euf eui eun eur eut faa fab fac fae faf fai fan fao far fat fau fba fbb fbc fbe fbf fbi fbn fbo fbr fbt fbu fca fcb fcc fce fcf fci fcn fco fcr fct fcu fea feb fec fee fef fei fen feo fer fet feu ffa ffc ffe fff ffi ffn ffo ffr fft ffu fia fib fic fie fif fii fin fir fit fiu fna fnb fnc fne fnf fni fnn fnr fnt fnu foa fob foc foe fof foi fon foo for fot fou fra frb frc fre frf fri frn fro frr frt fru fta ftb ftc fte ftf fti ftn fto ftr ftt ftu fua fub fue fuf fui fun fuo fur fut fuu i-f ia- iaa iab iac iae iaf iai ian iao iar iat iau iba ibb ibc ibe ibf ibi ibn ibo ibr ibt ibu ica icb icc ice icf ici icn ico icr ict icu ie- iea iec iee ief iei ien ier iet ifa ifb ifc ife iff ifi ifn ifo ifr ift ifu iia iib iic iie iif iii iin iio iir iit iiu in- ina inb inc ine inf ini inn ino inr int inu io- ioa iob ioc ioe iof ioi ion ioo ior iot iou ir- ira irb irc ire irf iri irn iro irr irt iru ita itb itc ite itf iti itn ito itt itu iu- iua iub iuc iue iui iur iut n-i naa nab nac nae naf nai nan nao nar nat nau nba nbb nbc nbe nbf nbi nbn nbo nbr nbt nbu nca ncb ncc nce ncf nci ncn nco ncr nct ncu ne- nea neb nec nee nef nei nen neo ner net neu nfa nfb nfc nfe nff nfi nfn nfo nfr nft nfu nia nib nic nie nif nii nin nio nir nit niu nna nnb nnc nne nnf nni nnn nno nnt nnu no- noa nob noc noe nof noi non noo nor not nou nra nrb nrc nre nrf nri nrn nro nrr nrt nru nta ntb ntc nte ntf nti ntn nto ntr ntt ntu nua nub nuc nue nui nun nuo nur nut nuu o-i oaa oab oac oae oaf oai oan oao oar oat oau ob- oba obb obc obe obf obi obn obo obr obt obu oc- oca ocb occ ocf oci ocn oco ocr oct ocu oea oeb oec oee oef oei oen oeo oer oet of- ofa ofb ofc ofe off ofi ofn ofo ofr oft ofu oia oib oic oie oif oii oin oio oir oit oiu on- ona onb onc one onf oni onn ono onr ont onu oo- ooa oob ooc oof ooi oon ooo oor oot or- ora orb orc ore orf ori orn oro orr ort oru ot- ota otb otc ote otf oti otn oto otr ott otu ou- oua ouc oue ouf oui oun ouo our out ra- raa rab rac rae raf rai ran rao rar rat rau rba