-er a-a a-c a-t aaa aac aae aaf aak aam aan aao aar aas aat ac- aca acc ace acf ack acm acn aco acr acs act aea aec aee aef aek aem aen aeo aer aes aet af- afa afc afe aff afk afm afn afo afr afs aft aka akc ake akk akm akn ako akr aks ama amc ame amf amk amm amn amo amr ams amt an- ana anc ane anf ank anm ann ano anr ans ant aoa aoc aoe aof aok aom aon aoo aor aos aot ar- ara arc are arf ark arm arn aro arr ars art as- asa asc ase asf ask asm asn aso asr ass ast at- ata atc ate atf atm atn ato atr ats att c-- caa cac cae caf cak cam can cao car cas cat cca ccc cce ccf cck ccm ccn cco ccr ccs cct ce- cea cec cee cef cek cem cen ceo cer ces cet cfa cfc cfe cff cfk cfm cfn cfo cfr cfs cft cka ckc ckm cko cks ckt cma cmc cme cmf cmk cmm cmn cmo cmr cms cmt cn- cna cnc cne cnf cnm cnn cno cnr cns cnt co- coa coc coe cof cok com con coo cor cos cot cra crc cre crf crk crm crn cro crr crs crt csa csc cse csf csk csm csn cso csr css cst cta ctc cte ctf ctk ctm ctn cto ctr cts ctt eaa eac eae eaf eak eam ean eao ear eas eat ec- eca ecc ece ecf eck ecm ecn eco ecr ecs ect eea eec eee eef eek eem een eeo eer ees eet ef- efa efc efe eff efm efo efr efs eft eka ekc eke ekf eko ekr eks ekt em- ema emc eme emf emk emm emn emo emr ems emt en- ena enc ene enf enk enm enn eno enr ens ent eo- eoa eoc eoe eof eok eom eon eoo eor eos eot era erc ere erf erk erm ern ero err ers ert es- esa esc ese esf esk esm esn eso esr ess est eta etc ete etf etk etm etn eto etr ets ett faa fac fae faf fak fam fan fao far fas fat fca fcc fce fcf fck fcm fcn fco fcr fcs fct fea fec fee fef fek fem fen feo fer fes fet ffa ffc ffe fff ffk ffm ffn ffo ffr ffs fft fka fkc fkf fkk fkm fkt fma fmc fme fmf fmm fmn fmo fmr fms fmt fna fnc fne fnf fnk fnm fnn fnr fns fnt foa foc foe fof fok fom fon foo for fos fot fra frc fre frf frk frm frn fro frr frs frt fsa fsc fse fsf fsk fsm fsn fso fsr fss fst fta ftc fte ftf ftk ftm ftn fto ftr fts ftt k-t ka- kaa kac kae kaf kak kam kan kao kar kas kat kca kcc kce kck kcm kcn kcr kcs kct ke- kea kec kee kef kek kem ken keo ker kes ket kfa kfc kff kfm kfo kfs kkc kke kkk kkm kkn kkr kks kkt kma kmc kme kmf kmk kmm kmo kms kmt kn- kna knc kne knf knk knm knn kno knr knt koa koc koe kof kok kom kon koo kor kos kot kra krc krf krk krn kro krr krs krt ksa ksc kse ksf ksk ksm ksn kso ksr kss kst kta ktc kte ktf ktk ktm ktn kto ktr kts ktt m-f m-o m-r maa mac mae maf mak mam man mao mar mas mat mc- mca mcc mce mcf mck mcm mcn mco mcr mcs mct mea mec mee mef mek mem men meo mer mes met mfa mfc mfe mff mfm mfn mfo mfr mfs mft mka mkc mke mkk mkm mkn mko mkr mks mkt mma mmc mme mmf mmk mmm mmn mmo mmr mms mmt mna mnc mne mnf mnk mnm mnn mno mnr mns mnt moa moc moe mof mok mom mon moo mor mos mot mra mrc mre mrf mrk mrm mrn mro mrr mrs mrt msa msc mse msf msk msm msn mso msr mss mst mta mtc mte mtf mtk mtm mtn mto mtr mts mtt naa nac nae naf nak nam nan nao nar nas nat nca ncc nce ncf nck ncm ncn nco ncr ncs nct ne- nea nec nee nef nek nem nen neo ner nes net nfa nfc nfe nff nfk nfn nfo nfr nfs nft nka nkc nke nkf nkk nkm nkn nko nkr nks nkt nma nmc nme nmk nmm nmn nmo nmr nms nmt nna nnc nne nnf nnk nnm nnn nno nns nnt no- noa noc noe nof nok nom non noo nor nos not nra nrc nre nrf nrk nrm nrn nro nrr nrs nrt nsa nsc nse nsf nsk nsm nsn nso nsr nss nst nta ntc nte ntf ntk ntm ntn nto ntr nts ntt oaa oac oae oaf oak oam oan oao oar oas oat oc- oca occ ocf ock ocm ocn oco ocr ocs oct oea oec oee oef oem oen oeo oer oes oet of- ofa ofc ofe off ofm ofn ofo ofr ofs oft oka okc oke okk oko okr oks om- oma omc ome omf omm omn omo omr oms omt on- ona onc one onf onk onn ono onr ons ont oo- ooa ooc oof ook oom oon ooo oor oos oot or- ora orc ore orf ork orm orn oro orr ors ort os- osa osc ose osf osk osm osn oso osr oss ost ot- ota otc ote otf otk otm otn oto otr ots ott ra- raa rac rae raf rak ram ran rao rar ras rat rca rcc rce rcf rcm rcn rco rcr rcs rct re- rea rec ree ref rek rem ren reo rer res ret rfa rfc rfe rff rfk rfm rfn rfo rfr rfs rft