a-ak a-do a-ok aaaa aaad aaap aada aaka aaoo aapa aapo adaa adad adak adao adap adda addd addo adod adok adoo adp- akaa akao akap akka akko akok akpo aokp aopo apak apao apap apda apdd apo- apod apoo apop appa appd daad daap dada dado daka dako dapa dapp dddd ddpo doak doap dod- doda dodd dodo doka doko dood dook doop dopa dopo dopp dpaa dppa kaaa kaak kaap kad- kada kadd kado kaka kakk kako kaoa kaok kap- kapa kapo kapp kdaa kdad kdak kdao kdap kddd kddk kdka kdkd kdkk kdko kdok kkaa kkap kkda kkdd kkdo kkkk kkoa kkoo kkpk koak koap koda kodk kodo koka kokk koko kokp kook kooo koop kopa kopp kpad kpak kpao kpda kpdo kpkk kpoa kpod kpok kpoo kpop kppd kppk kppo kppp odda oddd odoo odop okak okap okka okko okok okpo ooaa ooak ooda oooo opap opo- oppa oppo paak paap pada padd pado paka pako papa papp pdpa poad poak pod- poda podd podo poka poko pood pook poop pop- popa popo popp ppad ppap ppdk ppoa ppod pppa pppd pppo pppp