-er -ic a-a a-b a-c a-i a-t aaa aab aac aad aae aaf aai aap aar aat ab- aba abb abc abd abe abf abi abp abr abt ac- aca acb acc acd ace acf aci acp acr act ad- ada adb adc add ade adf adi adp adr adt aea aeb aec aed aee aef aei aep aer aet af- afa afb afc afd afe aff afi afp afr aft ai- aia aib aic aid aie aif aii aip air ait ap- apa apb apc apd ape apf api app apr apt ar- ara arb arc ard are arf ari arp arr art at- ata atb atc atd ate atf ati atp atr att b-p baa bab bac bad bae baf bai bap bar bat bba bbb bbc bbd bbe bbf bbi bbp bbr bbt bca bcb bcc bcd bce bcf bci bcp bcr bct bda bdb bdc bdd bde bdf bdi bdp bdr bdt be- bea beb bec bed bee bef bei bep ber bet bfa bfb bfc bfd bfe bff bfi bfp bfr bft bi- bia bib bic bid bie bif bii bip bir bit bpa bpb bpc bpd bpe bpf bpi bpp bpr bpt bra brb brd bre brf bri brp brr brt bta btb btc btd bte btf bti btp btr btt c-- caa cab cac cad cae caf cai cap car cat cba cbb cbc cbd cbe cbf cbi cbp cbr cbt cca ccb ccc ccd cce ccf cci ccp ccr cct cda cdb cdc cdd cde cdf cdi cdp cdr cdt ce- cea ceb cec ced cee cef cei cep cer cet cfa cfb cfc cfd cfe cff cfi cfp cfr cft ci- cia cib cic cid cie cif cii cip cir cit cpa cpb cpc cpd cpe cpf cpi cpp cpr cpt cra crb crc crd cre crf cri crp crr crt cta ctb ctc ctd cte ctf cti ctp ctr ctt daa dab dac dad dae daf dai dap dar dat dba dbb dbc dbd dbe dbf dbi dbp dbr dbt dca dcb dcc dcd dce dcf dci dcp dcr dct dda ddb ddc ddd dde ddf ddi ddp ddr ddt de- dea deb dec ded dee def dei dep der det dfa dfb dfc dfd dfe dff dfi dfp dfr dft di- dia dib dic did die dif dii dip dir dit dpa dpb dpc dpd dpe dpf dpi dpp dpr dpt dra drb drc drd dre dri drp drr drt dta dtb dtc dtd dte dtf dti dtp dtr dtt eaa eab eac ead eae eaf eai eap ear eat eba ebb ebc ebd ebe ebf ebi ebp ebr ebt ec- eca ecb ecc ecd ece ecf eci ecr ect ed- eda edb edc edd ede edf edi edp edr edt eea eeb eec eed eee eef eep eer eet ef- efa efb efc efd efe eff efi efp efr eft eia eib eic eid eie eif eii eip eir eit ep- epa epb epc epd epe epf epi epp epr ept era erb erc erd ere erf eri erp err ert eta etb etc etd ete etf eti etp etr ett faa fab fac fad fae faf fai fap far fat fba fbb fbc fbd fbe fbf fbi fbp fbr fbt fca fcb fcc fcd fce fcf fci fcp fcr fct fda fdb fdc fdd fde fdf fdi fdp fdr fdt fea feb fec fed fee fef fei fep fer fet ffa ffc ffd ffe fff ffi ffp ffr fft fia fib fic fid fie fif fii fip fir fit fpa fpb fpc fpd fpe fpi fpp fpr fpt fra frb frc frd fre frf fri frp frr frt fta ftb ftc ftd fte ftf fti ftp ftr ftt i-d i-f ia- iaa iab iac iad iae iaf iai iap iar iat iba ibb ibc ibd ibe ibf ibi ibp ibr ibt ica icb icc icd ice icf ici icp icr ict ida idb idc idd ide idf idi idp idr idt ie- iea iec ied iee ief iei iep ier iet ifa ifb ifc ifd ife iff ifi ifp ifr ift iia iib iic iid iie iif iii iip iir iit ipa ipb ipc ipd ipe ipf ipi ipp ipr ipt ir- ira irb irc ird ire irf iri irp irr irt ita itb itc itd ite itf iti itp itt p-p paa pab pac pad pae paf pai pap par pat pba pbb pbc pbd pbe pbf pbi pbp pbr pbt pca pcb pcc pcd pce pcf pci pcp pcr pct pda pdb pdc pdd pde pdf pdi pdp pdr pdt pea peb pec ped pee pef pei pep per pet pfa pfb pfc pfd pfe pff pfi pfp pfr pft pia pib pic pid pie pif pii pip pir pit ppa ppb ppc ppd ppe ppf ppi ppp ppr ppt pra prb prc prd pre prf pri prp prr prt pt- pta ptb ptc ptd pte ptf pti ptp ptr ptt ra- raa rab rac rad rae raf rai rap rar rat rba rbb rbc rbd rbe rbf rbi rbp rbr rbt rca rcb rcc rcd rce rcf rci rcp rcr rct rda rdb rdc rdd rde rdf rdi rdp rdr rdt re- rea reb rec red ree ref rei rep rer ret rfa rfb rfc rfd rfe rff rfi rfp rfr rft ria rib ric rid rie rif rii rip rir rit rpa rpb rpc rpd rpe rpf rpi rpp rpr rpt rra rrb rrc rrd rrf rri rrp rrr rrt rta rtb rtc rtd rte rtf rti rtp rtr rtt taa tab tac tad tae taf tai tap tar tat tba tbb tbc tbd tbe tbf tbi tbp tbr tbt tca tcb tcc tcd tce tcf tci tcp tcr tct tda tdb tdc tdd tde tdf tdi tdp tdr tdt te- tea teb tec ted tee tef tei tep ter tet tfa tfb tfc tfd tfe tff tfi tfp tfr tft tia tib tic tid tie tif tii tip tir tit tpa tpb