-er -ic a-a a-c a-i aaa aac aad aae aaf aah aai aak aar ac- aca acc acd ace acf ach aci ack acr ad- ada adc add ade adf adh adi adk adr aea aec aed aee aef aeh aei aek aer af- afa afc afd afe aff afh afi afk afr aha ahc ahd ahe ahf ahh ahi ahk ahr ai- aia aic aid aie aif aih aii aik air aka akc akd ake akh aki akk akr ar- ara arc ard are arf arh ari ark arr c-- caa cac cad cae caf cah cai cak car cca ccc ccd cce ccf cch cci cck ccr cda cdc cdd cde cdf cdh cdi cdk cdr ce- cea cec ced cee cef ceh cei cek cer cfa cfc cfd cfe cff cfh cfi cfk cfr ch- cha chc chd che chf chh chi chk chr ci- cia cic cid cie cif cih cii cik cir cka ckc ckd ckh cki cra crc crd cre crf crh cri crk crr daa dac dad dae daf dah dai dak dar dca dcc dcd dce dcf dci dck dcr dda ddc ddd dde ddf ddh ddi ddk ddr de- dea dec ded dee def deh dei dek der dfa dfc dfd dfe dff dfh dfi dfk dfr dh- dha dhc dhd dhe dhf dhh dhi dhk dhr di- dia dic did die dif dih dii dik dir dka dkc dke dki dkk dkr dra drc drd dre dri drk drr eaa eac ead eae eaf eah eai eak ear ec- eca ecc ecd ece ecf ech eci eck ecr ed- eda edc edd ede edf edh edi edk edr eea eec eed eee eef eek eer ef- efa efc efd efe eff efh efi efr eha ehc ehd ehe ehf ehh ehi ehr eia eic eid eie eif eii eik eir eka ekc ekd eke ekf ekh eki ekr era erc erd ere erf erh eri erk err faa fac fad fae faf fah fai fak far fca fcc fcd fce fcf fci fck fcr fda fdc fdd fde fdf fdh fdi fdk fdr fea fec fed fee fef feh fei fek fer ffa ffc ffd ffe fff ffh ffi ffk ffr fha fhc fhe fhf fhh fhi fhr fia fic fid fie fif fih fii fik fir fka fkc fkf fki fkk fra frc frd fre frf frh fri frk frr h-i haa hac had hae haf hah hai hak har hca hcc hcd hce hcf hch hci hck hcr hda hdc hdd hde hdf hdh hdi hdk hdr he- hea hec hed hee hef heh hei hek her hfa hfc hfd hfe hff hfh hfi hfk hfr hha hhc hhd hhe hhf hhh hhi hhk hhr hia hic hid hie hif hih hii hik hir hka hkd hkf hkh hki hkk hkr hr- hra hrc hrd hre hrf hrh hri hrk hrr i-d i-f ia- iaa iac iad iae iaf iah iai iar ica icc icd ice icf ich ici ick icr ida idc idd ide idf idh idi idk idr ie- iea iec ied iee ief iei iek ier ifa ifc ifd ife iff ifi ifr iha ihc ihd ihe ihf ihh ihi ihk ihr iia iic iid iie iif iih iii iir ika ikc ike ikf iki ikk ikr ir- ira irc ird ire irf iri irk irr ka- kaa kac kad kae kaf kah kai kak kar kca kcc kcd kce kch kci kck kcr kda kdc kde kdf kdh kdk kdr ke- kea kec ked kee kef keh kei kek ker kfa kfc kfd kff kfh kfi kha khe khf khh khi khk khr kia kic kid kie kif kih kii kik kir kkc kke kkh kki kkk kkr kra krc krd krf kri krk krr ra- raa rac rad rae raf rah rai rak rar rca rcc rcd rce rcf rch rci rcr rda rdc rdd rde rdf rdh rdi rdr re- rea rec red ree ref reh rei rek rer rfa rfc rfd rfe rff rfh rfi rfk rfr rh- rha rhc rhd rhe rhf rhh rhi rhr ria ric rid rie rif rih rii rik rir rkc rke rkf rkk rra rrc rrd rrf rrh rri rrk rrr