-er -ic a-a a-c a-i a-t aaa aac aad aae aai aap aar aat ac- aca acc acd ace aci acp acr act ad- ada adc add ade adi adp adr adt aea aec aed aee aei aep aer aet ai- aia aic aid aie aii aip air ait ap- apa apc apd ape api app apr apt ar- ara arc ard are ari arp arr art at- ata atc atd ate ati atp atr att c-- caa cac cad cae cai cap car cat cca ccc ccd cce cci ccp ccr cct cda cdc cdd cde cdi cdp cdr cdt ce- cea cec ced cee cei cep cer cet ci- cia cic cid cie cii cip cir cit cpa cpc cpd cpe cpi cpp cpr cpt cra crc crd cre cri crp crr crt cta ctc ctd cte cti ctp ctr ctt daa dac dad dae dai dap dar dat dca dcc dcd dce dci dcp dcr dct dda ddc ddd dde ddi ddp ddr ddt de- dea dec ded dee dei dep der det di- dia dic did die dii dip dir dit dpa dpc dpd dpe dpi dpp dpr dpt dra drc drd dre dri drp drr drt dta dtc dtd dte dti dtp dtr dtt eaa eac ead eae eai eap ear eat ec- eca ecc ecd ece eci ecr ect ed- eda edc edd ede edi edp edr edt eea eec eed eee eep eer eet eia eic eid eie eii eip eir eit ep- epa epc epd epe epi epp epr ept era erc erd ere eri erp err ert eta etc etd ete eti etp etr ett i-d ia- iaa iac iad iae iai iap iar iat ica icc icd ice ici icp icr ict ida idc idd ide idi idp idr idt ie- iea iec ied iee iei iep ier iet iia iic iid iie iii iip iir iit ipa ipc ipd ipe ipi ipp ipr ipt ir- ira irc ird ire iri irp irr irt ita itc itd ite iti itp itt p-p paa pac pad pae pai pap par pat pca pcc pcd pce pci pcp pcr pct pda pdc pdd pde pdi pdp pdr pdt pea pec ped pee pei pep per pet pia pic pid pie pii pip pir pit ppa ppc ppd ppe ppi ppp ppr ppt pra prc prd pre pri prp prr prt pt- pta ptc ptd pte pti ptp ptr ptt ra- raa rac rad rae rai rap rar rat rca rcc rcd rce rci rcp rcr rct rda rdc rdd rde rdi rdp rdr rdt re- rea rec red ree rei rep rer ret ria ric rid rie rii rip rir rit rpa rpc rpd rpe rpi rpp rpr rpt rra rrc rrd rri rrp rrr rrt rta rtc rtd rte rti rtp rtr rtt taa tac tad tae tai tap tar tat tca tcc tcd tce tci tcp tcr tct tda tdc tdd tde tdi tdp tdr tdt te- tea tec ted tee tei tep ter tet tia tic tid tie tii tip tir tit tpa tpc tpd tpe tpi tpp tpr tpt tra trc trd tre tri trp trr trt tta ttc ttd tte tti ttp ttr ttt