a-ak a-ok aaaa aaap aaka aaoo aapa aapo ag-o agag agao agap agga agog agoo akaa akao akap akka akko akok akpo aokp aopo apak apao apap apga apo- apoo apop appa gaap gaga gagg gago gapa gapp gggg ggpo goga gogo goog gook goop gopo gpaa gpgp kaaa kaag kaak kaap kag- kaga kagg kago kaka kakk kako kaoa kaog kaok kap- kapa kapg kapo kapp kgak kgga kggg kggo kgpg kkaa kkag kkap kkgo kkkk kkoa kkoo kkpk koak koap koga kogg kogo koka kokk koko kokp koog kook kooo koop kopa kopp kpak kpao kpga kpgg kpkk kpoa kpok kpoo kpop kppk kppo kppp ogoa ogog okak okap okgo okka okko okok okpo ooaa ooak oooo opap opkg opo- oppa oppo paag paak paap paga pago paka pako papa papg papp pgaa poak pogg pogo poka poko pook poop pop- popa popo popp ppap ppga ppoa pppa pppo pppp