-er a-a a-c a-t aaa aac aae aaf aak aap aar aas aat ac- aca acc ace acf ack acp acr acs act aea aec aee aef aek aep aer aes aet af- afa afc afe aff afk afp afr afs aft aka akc ake akk akp akr aks ap- apa apc ape apf apk app apr aps apt ar- ara arc are arf ark arp arr ars art as- asa asc ase asf ask asp asr ass ast at- ata atc ate atf atp atr ats att c-- caa cac cae caf cak cap car cas cat cca ccc cce ccf cck ccp ccr ccs cct ce- cea cec cee cef cek cep cer ces cet cfa cfc cfe cff cfk cfp cfr cfs cft cka ckc cks ckt cpa cpc cpe cpf cpk cpp cpr cps cpt cra crc cre crf crk crp crr crs crt csa csc cse csf csk csp csr css cst cta ctc cte ctf ctk ctp ctr cts ctt eaa eac eae eaf eak eap ear eas eat ec- eca ecc ece ecf eck ecr ecs ect eea eec eee eef eek eep eer ees eet ef- efa efc efe eff efp efr efs eft eka ekc eke ekf ekp ekr eks ekt ep- epa epc epe epf epp epr eps ept era erc ere erf erk erp err ers ert es- esa esc ese esf esk esp esr ess est eta etc ete etf etk etp etr ets ett faa fac fae faf fak fap far fas fat fca fcc fce fcf fck fcp fcr fcs fct fea fec fee fef fek fep fer fes fet ffa ffc ffe fff ffk ffp ffr ffs fft fka fkc fkf fkk fkp fkt fpa fpc fpe fpk fpp fpr fps fpt fra frc fre frf frk frp frr frs frt fsa fsc fse fsf fsk fsp fsr fss fst fta ftc fte ftf ftk ftp ftr fts ftt k-t ka- kaa kac kae kaf kak kap kar kas kat kca kcc kce kck kcp kcr kcs kct ke- kea kec kee kef kek kep ker kes ket kfa kfc kff kfs kkc kke kkk kkp kkr kks kkt kpa kpc kpe kpf kpk kpp kpr kps kpt kra krc krf krk krp krr krs krt ksa ksc kse ksf ksk ksp ksr kss kst kta ktc kte ktf ktk ktp ktr kts ktt p-p paa pac pae paf pak pap par pas pat pca pcc pce pcf pck pcp pcr pcs pct pea pec pee pef pek pep per pes pet pfa pfc pfe pff pfk pfp pfr pfs pft pka pkc pke pkf pkp pkr pks pkt ppa ppc ppe ppf ppk ppp ppr pps ppt pra prc pre prf prk prp prr prs prt ps- psa psc pse psf psk psp psr pss pst pt- pta ptc pte ptf ptk ptp ptr pts ptt ra- raa rac rae raf rak rap rar ras rat rca rcc rce rcf rcp rcr rcs rct re- rea rec ree ref rek rep rer res ret rfa rfc rfe rff rfk rfp rfr rfs rft rkc rke rkf rkk rkp rks rkt rpa rpc rpe rpf rpk rpp rpr rps rpt rra rrc rrf rrk rrp rrr rrs rrt rsa rsc rse rsf rsk rsp rsr rss rst rta rtc rte rtf rtk rtp rtr rts rtt saa sac sae saf sak sap sar sas sat sca scc sce scf sck scp scr scs sct se- sea sec see sef sek sep ser ses set sfa sfc sfe sff sfk sfp sfr sfs sft sk- ska skc ske skf skk skp skr sks skt spa spc spe spf spk spp spr sps spt sr- sra src sre srf srk srp srr srs srt ss- ssa ssc sse ssf ssk ssp ssr sss sst sta stc ste stf stk stp str sts stt taa tac tae taf tak tap tar tas tat tca tcc tce tcf tck tcp tcr tcs tct te- tea tec tee tef tek tep ter tes tet tfa tfc tfe tff tfk tfp tfr tfs tft tka tkc tke tkk tkp tkr tks tkt tpa tpc tpe tpf tpk tpp tpr tps tpt tra trc tre trf trk trp trr trs trt tsa tsc tse tsf tsk tsp tsr tss tst tta ttc tte ttf ttk ttp ttr tts ttt

-ase a-ak aaaa aaac aaae aaaf aaap aaar aaas aaca aacc aace aacf aack aacp aacr aacs aact aaea aaec aaep aaes aafa aafc aaff aaka aake aapa aapc aaps aapt aara aarc aare aarp aars aart aasa aasc aase aasf aass aast aata aatc aatf aatk aatt ac-t acaa acac acae acap acar acas acat acca accc acce accf accp accs acct ace- acea acec acek acer aces acet acfc acfe acfs acft acke acks acpa acpe acpr acps acpt acr- acra acrc acre acrr acrs acsa acsc acse acss acst acta actc acte actf acts actt aeac aeaf aeap aeas aect aeer aeka aer- aera aerc aers aesc aess aest aeta aetc aetf aetr aett afaa afak afap afar afat afca afcc afcs afee afek afer afes afet affa affc affs afft afka afkr afpa afpc afpe afr- afra afrc afre afrs afsa afsc afsp afst afta aftc afte aftp afts akaa akae akap akar akas akca akee aker akes akka akr- akra akre aksa akst akte apac apak apap apar apas apat apca apcc apcr apcs apea apec apep aper apes apet apfa apfc apft apke appa appc appr apps appt apra aprc apre aprs aprt apsa apse apss apta aptc apte apts aptt arac arae araf arak arap arar aras arat arc- arca arce arcs arct area arec aree aref arek arep ares aret arfa arfc arff arfs arft arka arke arks arpa arpe arps arr- arra arrc arre arrk arrr arrs arrt ars- arsa arsc arse arsk arst arta artc arte artr arts asaa asac asae asaf asak asap asar asas asat asc- asca ascc asce ascp ascr