a-ak a-be a-ok aaaa aaab aaae aaap aaba aabb aabp aaea aaep aage aaka aake aaoe aaoo aapa aapo abaa abab abae abag abak abap abb- abba abbb abbe abbo abee aboa abob abok aboo abpa abpp aeap aega aeka ag-o agag agao agap agba agbo agea agee agep agga agge agob agog agoo akaa akae akao akap akee akeg akka akko akok akpo aoba aokp aopo apak apao apap apba apbg apea apeg apep apga apke apo- apoe apoo apop appa baaa baak baba babb babe babo baek baga bage bagg bago bak- baka bake bako bapa bape bapp bbbb bbeb bbga beag beak beap beba bebb bebe bebo beeb beeg beek beep bega begg bego beka beke beko beo- beok bepo bkpg boab boag boak boba bobb bobe bobo boea boee boeo boep boga boge bogg bogo boka boke boko boob booe boog book boop bopa bope bopp bpea bpoe eaba eaga eage eaop eapp ebba ebbo eboe eboo ebpo eeea eeee eega eeka eeke egaa egae egao egba egbe egea egee eggb egge eggo eggp ego- egpa egpb egpe egpo eka- ekab ekeb ekek ekka ekoa ekpe ekpo eoka epaa epee eppa eppo eppp gaap gaba gabb gabe gabo gabp gaea gaga gage gagg gago gapa gape gapp gbag gbap gbbo geab geba gebe geek geep gege gegg gego geko geo- geog gepa gepe gggg ggpo goba gobe gobo goga gogo goke goog gook goop gope gopo gpaa gpgp kaaa kaab kaag kaak kaap kaba kabb kabe kabg kabo kaeo kaep kag- kaga kagb kage kagg kago kaka kake kakk kako kaoa kaog kaok kap- kapa kape kapg kapo kapp kbaa kbab kbae kbak kbap kbba kbbb kbbe kbbg kbbk kbbo kbeb kbee kbek kbeo kbga kbgb kbge kbgg kbgo kbkb kbkg kbkk kbko kboa kbob kboe kbok kboo kbpa kbpe kbpg kbpk kbpo kea- keag keak keap keba kebb kebe keek keep kega kege kegg kegk keka kekb keke keko keok kep- kepa kepe kgab kgak kgba kgbb kgeb kgeo kgga kggg kggo kgoe kgpe kgpg kkaa kkag kkap kkba kkbb kkbe kkbg kkbo kkea kkeg kkgb kkgo kkkk kkoa kkob kkoo kkpk koab koae koak koap koba kobb kobe kobk kobo koea koga kogb koge kogg kogo koka kokb koke kokk koko kokp koob koog kook kooo koop kopa kopb kope kopp kpae kpak kpao kpba kpbb kpbe kpbg kpek kpga kpgb kpge kpgg kpke kpkk kpoa kpob kpoe kpok kpoo kpop kppk kppo kppp o-eo oake obak obba obbo obea obkb oboe obok oegb oepa ogae ogb ogba ogbe ogea ogee ogge ogoa ogog okak okap okgo okka okko okok okpe okpo ooaa ooak ooba oobe oooo opap opep opkg opo- oppa oppo paag paak paap paba paea paep paga pagb page pago paka pake pako papa papb pape papg papp pbpa pbpk peab peag peak peap peba peek peep pega pegg pego peka peke pekk peko pepa pepe pepo pgaa pkge poak poba pobo poea poge pogg pogo poka poke poko pook poop pop- popa pope popo popp ppap ppga ppoa pppa pppo pppp