a-a a-b aaa aab aag aak aan aao aar ab- aba abb abg abk abn abo abr ag- aga agb agg agk agn ago agr aka akb akg akk akn ako akr an- ana anb ang ank ann ano anr aoa aob aog aok aon aoo aor ar- ara arb arg ark arn aro arr baa bab bag bak ban bao bar bba bbb bbg bbk bbn bbo bbr bga bgb bgg bgk bgn bgo bgr bka bkb bkg bkk bkn bko bkr bna bnb bng bnk bnn bno bnr boa bob bog bok bon boo bor bra brb brg brk brn bro brr gaa gab gag gak gan gao gar gba gbg gbk gbn gbo gbr gga ggb ggg ggn ggo ggr gka gkb gkn gko gna gnb gnn gno gnr goa gob gog gok gon goo gor gra grb grg grk grn gro grr ka- kaa kab kag kak kan kao kar kba kbb kbk kbn kbo kbr kga kgb kgo kkb kkk kkn kkr kn- kna kng knk knn kno knr koa kob kog kok kon koo kor kra krg krk krn kro krr naa nab nag nak nan nao nar nba nbb nbg nbk nbn nbo nbr nga ngb ngg ngk ngn ngo nka nkk nkn nko nkr nna nnb nng nnk nnn nno no- noa nob nog nok non noo nor nra nrb nrg nrk nrn nro nrr oaa oab oag oak oan oao oar ob- oba obb obg obk obn obo obr oga ogg ogn ogo oka okb okg okk oko okr on- ona onb ong onk onn ono onr oo- ooa oob oog ook oon ooo oor or- ora orb org ork orn oro orr ra- raa rab rag rak ran rao rar rba rbb rbg rbk rbn rbo rbr rga rgb rgg rgk rgn rgo rgr rkb rkg rkk rko rna rnb rng rnn rno rnr roa rob rog rok ron roo ror rra rrb rrg rrk rrn rrr

-ana a-ak a-ok aaaa aaab aaan aaar aaba aabb aaka aana aang aaon aaoo aara aaro abaa abab abag abak aban abar abb- abba abbb abbo abbr aboa abob abok abon aboo abor abra abro ag-o agag agan agao agar agba agbo agga agna agno agob agog agon agoo agra agro akaa akan akao akar akka akko akna akok akon akr- akra ana- anaa anab anag anak anan anao anar anba anbb anbo ang- anga ango ank- anka anko anna annb anno ano- anoa anon anor aoba aonb aono aora aorb aorn arab arag arak aran arar arba arga argb argo arka arko arna arng arnk arno aroa arob aron aroo aror arr- arra arrg arrk arro arrr baaa baak baan baar baba babb babo babr baga bagg bagn bago bak- baka bako bakr bana bang bank bann bano banr baon bar- bara barb barg bark barn baro barr bbbb bbga bbng bbrg bgan bgon bnor bnrr boab boag boak boan boar boba bobb bobo boga bogg bogo boka bokn boko bona bong bonk bonn bono boob boog book boon boor bor- bora borg bork born boro borr brab brag brak bran brao brka brkb brna brno broa brob brog brok bron broo bror brrr gaar gaba gabb gabo gabr gaga gagg gago gana gang gank gann gano gaon gara garb garg garn garo garr gbag gban gbbo gbon gggg ggrn gnaa gnar gnoo gnrr goan goar goba gobo goga gogo gon- gona gong gonk gonn gono goog gook goon goor gora gorb gorg gorn goro gorr grab gran grbr grob grog grok gron groo gror grrr kaaa kaab kaag kaak kaan kaar kaba kabb kabg kabo kabr kag- kaga kagb kagg kago kagr kaka kakk kakn kako kana kanb kang kann kano kaoa kaog kaok kaon kaor kara karb karg kark karn karo karr kbaa kbab kbak kbar kbba kbbb kbbg kbbk kbbo kbbr kbga kbgb kbgg kbgn kbgo kbgr kbkb kbkg kbkk kbko kbkr kbna kbng kbnn kbno kbnr kboa kbob kbok kbon kboo kbra kbrb kbrg kbrk kbrn kbro kgab kgak kgan kgba kgbb kgbn kgbr kgga kggg kggo kggr kgnb kgng kgno kgnr kgon kgor kgra kgrb kgrg kgrk kgrn kgro kgrr kkaa kkag kkan kkar kkba kkbb kkbg kkbn kkbo kkbr kkgb kkgo kkgr kkkk kknb kknn kkno kkoa kkob kkon kkoo kkor kkrb kkrk kkrn kkro kkrr knaa knab knag knan knar knba knbb knbn knbr knga kngn kngr knkk knnb knng knnk knnr knob knog knok knon knor knrb knrg knrk knro koab koak koan koar koba kobb kobk kobn kobo kobr koga kogb kogg kogn kogo koka kokb kokk kokn koko kokr kona kong konk kono koob koog kook koon kooo koor kora korb korg kork korn koro korr krab krag krak kran krar krba krbb krbg krbk krbr krgn krka krkk krkn krko krkr krna krnb krng krnk krnn krno kroa krob krog krok kroo kror krrb krrg krrk krrn krro krrr naaa naab naag naan naar naba nabk nabo naga nagk nago naka nako nan- nana nanb nang nann nano naor nara narg nark narn naro narr nbaa nbak nbar nbbo ngab ngan ngao ngon ngor nkgb nkok nkor nngn nnnn noaa noak noba nobo noga nogg nogo noko non- nona nong nonn nono noo- noob nook noon nooo noor nor- nora norb norg nork norn noro norr nrab nrna nron oara obak oban obba obbo obkb obok obon obor obra obro ogar ogb ogba ogna ogoa ogog ogon ogra ogro okak okan okgo okka okko okna okno okok okon okor okra okro onab onan onar onga ongo onna onno onon onor onra ooaa ooak ooba oona oooo oora orab orak oran orao orar orba orbb orbo orga orgn orgo orka orko orna orno oro- orok oron oror orra orro raab raag raak raan raba rabb rabk rabo raga ragg rago raka rakk rana rang rank rann rano raob raok rara rarb rark raro rbbb rbbr rgan rgba rnag rnbr roab roag roak roan roar rob- roba robb robo roga rogg rogo roka