a-a a-t aaa aae aak aap aas aat aax aea aee aek aep aes aet aex aka ake akk akp aks ap- apa ape apk app aps apt apx as- asa ase ask asp ass ast asx at- ata ate atp ats att atx ax- axa axe axk axp axs axt axx eaa eae eak eap eas eat eax eea eee eek eep ees eet eex eka eke ekp eks ekt ep- epa epe epp eps ept epx es- esa ese esk esp ess est esx eta ete etk etp ets ett etx ex- exa exe exp exs ext exx k-t ka- kaa kae kak kap kas kat kax ke- kea kee kek kep kes ket kex kke kkk kkp kks kkt kpa kpe kpk kpp kps kpt ksa kse ksk ksp kss kst kta kte ktk ktp kts ktt p-p paa pae pak pap pas pat pax pea pee pek pep pes pet pex pka pke pkp pks pkt ppa ppe ppk ppp pps ppt ppx ps- psa pse psk psp pss pst psx pt- pta pte ptk ptp pts ptt ptx pxe pxk pxs pxt saa sae sak sap sas sat sax se- sea see sek sep ses set sex sk- ska ske skk skp sks skt skx spa spe spk spp sps spt spx ss- ssa sse ssk ssp sss sst ssx sta ste stk stp sts stt stx sxs sxt t-x taa tae tak tap tas tat tax te- tea tee tek tep tes tet tex tka tke tkk tkp tks tkt tpa tpe tpk tpp tps tpt tpx tsa tse tsk tsp tss tst tsx tta tte ttk ttp tts ttt ttx txe txk txs txt xaa xak xap xas xat xee xep xes xet xex xke xks xpa xpe xpp xps xpt xsa xsp xss xst xtp xts xtx xxp xxx