-er -ic a-a a-c a-i a-t aaa aac aae aaf aai aap aar aat ac- aca acc ace acf aci acp acr act aea aec aee aef aei aep aer aet af- afa afc afe aff afi afp afr aft ai- aia aic aie aif aii aip air ait ap- apa apc ape apf api app apr apt ar- ara arc are arf ari arp arr art at- ata atc ate atf ati atp atr att c-- caa cac cae caf cai cap car cat cca ccc cce ccf cci ccp ccr cct ce- cea cec cee cef cei cep cer cet cfa cfc cfe cff cfi cfp cfr cft ci- cia cic cie cif cii cip cir cit cpa cpc cpe cpf cpi cpp cpr cpt cra crc cre crf cri crp crr crt cta ctc cte ctf cti ctp ctr ctt eaa eac eae eaf eai eap ear eat ec- eca ecc ece ecf eci ecr ect eea eec eee eef eep eer eet ef- efa efc efe eff efi efp efr eft eia eic eie eif eii eip eir eit ep- epa epc epe epf epi epp epr ept era erc ere erf eri erp err ert eta etc ete etf eti etp etr ett faa fac fae faf fai fap far fat fca fcc fce fcf fci fcp fcr fct fea fec fee fef fei fep fer fet ffa ffc ffe fff ffi ffp ffr fft fia fic fie fif fii fip fir fit fpa fpc fpe fpi fpp fpr fpt fra frc fre frf fri frp frr frt fta ftc fte ftf fti ftp ftr ftt i-f ia- iaa iac iae iaf iai iap iar iat ica icc ice icf ici icp icr ict ie- iea iec iee ief iei iep ier iet ifa ifc ife iff ifi ifp ifr ift iia iic iie iif iii iip iir iit ipa ipc ipe ipf ipi ipp ipr ipt ir- ira irc ire irf iri irp irr irt ita itc ite itf iti itp itt p-p paa pac pae paf pai pap par pat pca pcc pce pcf pci pcp pcr pct pea pec pee pef pei pep per pet pfa pfc pfe pff pfi pfp pfr pft pia pic pie pif pii pip pir pit ppa ppc ppe ppf ppi ppp ppr ppt pra prc pre prf pri prp prr prt pt- pta ptc pte ptf pti ptp ptr ptt ra- raa rac rae raf rai rap rar rat rca rcc rce rcf rci rcp rcr rct re- rea rec ree ref rei rep rer ret rfa rfc rfe rff rfi rfp rfr rft ria ric rie rif rii rip rir rit rpa rpc rpe rpf rpi rpp rpr rpt rra rrc rrf rri rrp rrr rrt rta rtc rte rtf rti rtp rtr rtt taa tac tae taf tai tap tar tat tca tcc tce tcf tci tcp tcr tct te- tea tec tee tef tei tep ter tet tfa tfc tfe tff tfi tfp tfr tft tia tic tie tif tii tip tir tit tpa tpc tpe tpf tpi tpp tpr tpt tra trc tre trf tri trp trr trt tta ttc tte ttf tti ttp ttr ttt