-er -ic a-a a-c a-i a-t aaa aac aad aae aaf aai aak aar aat ac- aca acc acd ace acf aci ack acr act ad- ada adc add ade adf adi adk adr adt aea aec aed aee aef aei aek aer aet af- afa afc afd afe aff afi afk afr aft ai- aia aic aid aie aif aii aik air ait aka akc akd ake aki akk akr ar- ara arc ard are arf ari ark arr art at- ata atc atd ate atf ati atr att c-- caa cac cad cae caf cai cak car cat cca ccc ccd cce ccf cci cck ccr cct cda cdc cdd cde cdf cdi cdk cdr cdt ce- cea cec ced cee cef cei cek cer cet cfa cfc cfd cfe cff cfi cfk cfr cft ci- cia cic cid cie cif cii cik cir cit cka ckc ckd cki ckt cra crc crd cre crf cri crk crr crt cta ctc ctd cte ctf cti ctk ctr ctt daa dac dad dae daf dai dak dar dat dca dcc dcd dce dcf dci dck dcr dct dda ddc ddd dde ddf ddi ddk ddr ddt de- dea dec ded dee def dei dek der det dfa dfc dfd dfe dff dfi dfk dfr dft di- dia dic did die dif dii dik dir dit dka dkc dke dki dkk dkr dkt dra drc drd dre dri drk drr drt dta dtc dtd dte dtf dti dtk dtr dtt eaa eac ead eae eaf eai eak ear eat ec- eca ecc ecd ece ecf eci eck ecr ect ed- eda edc edd ede edf edi edk edr edt eea eec eed eee eef eek eer eet ef- efa efc efd efe eff efi efr eft eia eic eid eie eif eii eik eir eit eka ekc ekd eke ekf eki ekr ekt era erc erd ere erf eri erk err ert eta etc etd ete etf eti etk etr ett faa fac fad fae faf fai fak far fat fca fcc fcd fce fcf fci fck fcr fct fda fdc fdd fde fdf fdi fdk fdr fdt fea fec fed fee fef fei fek fer fet ffa ffc ffd ffe fff ffi ffk ffr fft fia fic fid fie fif fii fik fir fit fka fkc fkf fki fkk fkt fra frc frd fre frf fri frk frr frt fta ftc ftd fte ftf fti ftk ftr ftt i-d i-f ia- iaa iac iad iae iaf iai iar iat ica icc icd ice icf ici ick icr ict ida idc idd ide idf idi idk idr idt ie- iea iec ied iee ief iei iek ier iet ifa ifc ifd ife iff ifi ifr ift iia iic iid iie iif iii iir iit ika ikc ike ikf iki ikk ikr ikt ir- ira irc ird ire irf iri irk irr irt ita itc itd ite itf iti itk itt k-t ka- kaa kac kad kae kaf kai kak kar kat kca kcc kcd kce kci kck kcr kct kda kdc kde kdf kdk kdr kdt ke- kea kec ked kee kef kei kek ker ket kfa kfc kfd kff kfi kia kic kid kie kif kii kik kir kit kkc kke kki kkk kkr kkt kra krc krd krf kri krk krr krt kta ktc kte ktf ktk ktr ktt ra- raa rac rad rae raf rai rak rar rat rca rcc rcd rce rcf rci rcr rct rda rdc rdd rde rdf rdi rdr rdt re- rea rec red ree ref rei rek rer ret rfa rfc rfd rfe rff rfi rfk rfr rft ria ric rid rie rif rii rik rir rit rkc rke rkf rkk rkt rra rrc rrd rrf rri rrk rrr rrt rta rtc rtd rte rtf rti rtk rtr rtt taa tac tad tae taf tai tak tar tat tca tcc tcd tce tcf tci tck tcr tct tda tdc tdd tde tdf tdi tdk tdr tdt te- tea tec ted tee tef tei tek ter tet tfa tfc tfd tfe tff tfi tfk tfr tft tia tic tid tie tif tii tik tir tit tka tkc tke tkk tkr tkt tra trc trd tre trf tri trk trr trt tta ttc ttd tte ttf tti ttk ttr ttt