-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aaf aai aam aan aao aar aat ab- aba abb abc abe abf abi abm abn abo abr abt ac- aca acb acc ace acf aci acm acn aco acr act aea aeb aec aee aef aei aem aen aeo aer aet af- afa afb afc afe aff afi afm afn afo afr aft ai- aia aib aic aie aif aii aim ain aio air ait ama amb amc ame amf ami amm amn amo amr amt an- ana anb anc ane anf ani anm ann ano anr ant aoa aob aoc aoe aof aoi aom aon aoo aor aot ar- ara arb arc are arf ari arm arn aro arr art at- ata atb atc ate atf ati atm atn ato atr att baa bab bac bae baf bai bam ban bao bar bat bba bbb bbc bbe bbf bbi bbm bbn bbo bbr bbt bca bcb bcc bce bcf bci bcm bcn bco bcr bct be- bea beb bec bee bef bei bem ben beo ber bet bfa bfb bfc bfe bff bfi bfm bfn bfo bfr bft bi- bia bib bic bie bif bii bim bin bio bir bit bma bmb bmc bme bmf bmi bmm bmn bmo bmr bmt bna bnb bnc bne bnf bni bnn bno bnr bnt boa bob boc boe bof boi bom bon boo bor bot bra brb bre brf bri brm brn bro brr brt bta btb btc bte btf bti btm btn bto btr btt c-- caa cab cac cae caf cai cam can cao car cat cba cbb cbc cbe cbf cbi cbm cbn cbo cbr cbt cca ccb ccc cce ccf cci ccm ccn cco ccr cct ce- cea ceb cec cee cef cei cem cen ceo cer cet cfa cfb cfc cfe cff cfi cfm cfn cfo cfr cft ci- cia cib cic cie cif cii cim cin cio cir cit cma cmb cmc cme cmf cmi cmm cmn cmo cmr cmt cn- cna cnb cnc cne cnf cni cnm cnn cno cnr cnt co- coa cob coc coe cof coi com con coo cor cot cra crb crc cre crf cri crm crn cro crr crt cta ctb ctc cte ctf cti ctm ctn cto ctr ctt eaa eab eac eae eaf eai eam ean eao ear eat eba ebb ebc ebe ebf ebi ebm ebn ebo ebr ebt ec- eca ecb ecc ece ecf eci ecm ecn eco ecr ect eea eeb eec eee eef eem een eeo eer eet ef- efa efb efc efe eff efi efm efo efr eft eia eib eic eie eif eii eim ein eio eir eit em- ema emb emc eme emf emi emm emn emo emr emt en- ena enb enc ene enf eni enm enn eno enr ent eo- eoa eob eoc eoe eof eoi eom eon eoo eor eot era erb erc ere erf eri erm ern ero err ert eta etb etc ete etf eti etm etn eto etr ett faa fab fac fae faf fai fam fan fao far fat fba fbb fbc fbe fbf fbi fbm fbn fbo fbr fbt fca fcb fcc fce fcf fci fcm fcn fco fcr fct fea feb fec fee fef fei fem fen feo fer fet ffa ffc ffe fff ffi ffm ffn ffo ffr fft fia fib fic fie fif fii fim fin fir fit fma fmb fmc fme fmf fmi fmm fmn fmo fmr fmt fna fnb fnc fne fnf fni fnm fnn fnr fnt foa fob foc foe fof foi fom fon foo for fot fra frb frc fre frf fri frm frn fro frr frt fta ftb ftc fte ftf fti ftm ftn fto ftr ftt i-f ia- iaa iab iac iae iaf iai iam ian iao iar iat iba ibb ibc ibe ibf ibi ibm ibn ibo ibr ibt ica icb icc ice icf ici icm icn ico icr ict ie- iea iec iee ief iei iem ien ier iet ifa ifb ifc ife iff ifi ifm ifn ifo ifr ift iia iib iic iie iif iii iim iin iio iir iit im- ima imb imc ime imf imi imm imn imo imt in- ina inb inc ine inf ini inm inn ino inr int io- ioa iob ioc ioe iof ioi iom ion ioo ior iot ir- ira irb irc ire irf iri irm irn iro irr irt ita itb itc ite itf iti itm itn ito itt m-f m-o m-r maa mab mac mae maf mai mam man mao mar mat mba mbb mbc mbe mbf mbi mbm mbo mbr mbt mc- mca mcb mcc mce mcf mci mcm mcn mco mcr mct mea meb mec mee mef mei mem men meo mer met mfa mfb mfc mfe mff mfi mfm mfn mfo mfr mft mi- mia mib mic mie mif mii mim min mio mir mit mma mmb mmc mme mmf mmi mmm mmn mmo mmr mmt mna mnb mnc mne mnf mni mnm mnn mno mnr mnt moa mob moc moe mof moi mom mon moo mor mot mra mrb mrc mre mrf mri mrm mrn mro mrr mrt mta mtb mtc mte mtf mti mtm mtn mto mtr mtt n-i naa nab nac nae naf nai nam nan nao nar nat nba nbb nbc nbe nbf nbi nbm nbn nbo nbr nbt nca ncb ncc nce ncf nci ncm ncn nco ncr nct ne- nea neb nec nee nef nei nem nen neo ner net nfa nfb nfc nfe nff nfi nfn nfo nfr nft nia nib nic nie nif nii nim nin nio nir nit nma nmb nmc nme nmi nmm nmn nmo nmr nmt nna nnb nnc nne nnf nni nnm nnn nno nnt no- noa nob noc noe nof noi nom non noo nor not nra nrb nrc nre nrf nri nrm nrn nro nrr nrt nta ntb ntc nte ntf nti ntm ntn nto ntr ntt o-i oaa oab oac oae oaf