-er -ic a-a a-c a-i a-t aaa aac aae aai aak aap aar aat aax ac- aca acc ace aci ack acp acr act acx aea aec aee aei aek aep aer aet aex ai- aia aic aie aii aik aip air ait aix aka akc ake aki akk akp akr ap- apa apc ape api apk app apr apt apx ar- ara arc are ari ark arp arr art arx at- ata atc ate ati atp atr att atx ax- axa axe axi axk axp axr axt axx c-- caa cac cae cai cak cap car cat cax cca ccc cce cci cck ccp ccr cct ccx ce- cea cec cee cei cek cep cer cet cex ci- cia cic cie cii cik cip cir cit cix cka ckc cki ckt ckx cpa cpc cpe cpi cpk cpp cpr cpt cpx cra crc cre cri crk crp crr crt crx cta ctc cte cti ctk ctp ctr ctt ctx cxc cxi cxk cxp cxr cxt cxx eaa eac eae eai eak eap ear eat eax ec- eca ecc ece eci eck ecr ect ecx eea eec eee eek eep eer eet eex eia eic eie eii eik eip eir eit eix eka ekc eke eki ekp ekr ekt ep- epa epc epe epi epp epr ept epx era erc ere eri erk erp err ert eta etc ete eti etk etp etr ett etx ex- exa exc exe exi exp exr ext exx ia- iaa iac iae iai iap iar iat ica icc ice ici ick icp icr ict ie- iea iec iee iei iek iep ier iet iex iia iic iie iii iip iir iit iix ika ikc ike iki ikk ikr ikt ikx ipa ipc ipe ipi ipp ipr ipt ipx ir- ira irc ire iri irk irp irr irt irx ita itc ite iti itk itp itt itx ixc ixe ixi k-t ka- kaa kac kae kai kak kap kar kat kax kca kcc kce kci kck kcp kcr kct kcx ke- kea kec kee kei kek kep ker ket kex kia kic kie kii kik kip kir kit kix kkc kke kki kkk kkp kkr kkt kpa kpc kpe kpi kpk kpp kpr kpt kra krc kri krk krp krr krt kta ktc kte ktk ktp ktr ktt p-p paa pac pae pai pak pap par pat pax pca pcc pce pci pck pcp pcr pct pcx pea pec pee pei pek pep per pet pex pia pic pie pii pik pip pir pit pix pka pkc pke pki pkp pkr pkt ppa ppc ppe ppi ppk ppp ppr ppt ppx pra prc pre pri prk prp prr prt prx pt- pta ptc pte pti ptk ptp ptr ptt ptx pxc pxe pxk pxr pxt ra- raa rac rae rai rak rap rar rat rax rca rcc rce rci rcp rcr rct rcx re- rea rec ree rei rek rep rer ret rex ria ric rie rii rik rip rir rit rix rkc rke rkk rkp rkt rpa rpc rpe rpi rpk rpp rpr rpt rpx rra rrc rri rrk rrp rrr rrt rta rtc rte rti rtk rtp rtr rtt rtx rxp rxr t-x taa tac tae tai tak tap tar tat tax tca tcc tce tci tck tcp tcr tct tcx te- tea tec tee tei tek tep ter tet tex tia tic tie tii tik tip tir tit tix tka tkc tke tkk tkp tkr tkt tpa tpc tpe tpi tpk tpp tpr tpt tpx tra trc tre tri trk trp trr trt trx tta ttc tte tti ttk ttp ttr ttt ttx txe txi txk txt xaa xac xak xap xar xat xci xcp xcr xcx xee xep xer xet xex xia xic xie xii xit xix xke xpa xpc xpe xpp xpt xrc xrt xrx xtc xti xtp xtr xtx xxi xxp xxx