a-ak a-ok aaaa aaab aaar aaba aabb aabt aaka aaoo aara aaro aart aata aatk aatt abaa abab abag abak abar abat abb- abba abbb abbo abbr abbt aboa abob abok aboo abor abot abra abro abta ag-o agag agao agar agat agba agbo agga agob agog agoo agot agra agro agta agtr akaa akao akar akka akko akok akot akr- akra aoba aora aorb aort arab arag arak arar arat arba arga argb argo arka arko aroa arob aroo aror arr- arra arrg arrk arro arrr arrt arta arto artr at-t ataa atab atak atar atat atgo atka atkt atob atok ator atot atra atrk atro atta atto attr baaa baak baar baat baba babb babo babr baga bagg bago bagt bak- baka bako bakr bakt bar- bara barb barg bark baro barr bart bata bato batt bbbb bbga bbrg boab boag boak boar boat boba bobb bobo boga bogg bogo bogt boka boko boob boog book boor boot bor- bora borg bork boro borr bort bota botb boto bott brab brag brak brao brat brka brkb broa brob brog brok broo bror brot brrr btaa btob btor btrt bttb gaar gaba gabb gabo gabr gabt gaga gagg gago gara garb garg garo garr gart gata gato gatr gatt gbag gbbo ggbt gggg goar goat goba gobo goga gogo goog gook goor goot gora gorb gorg goro gorr gort gota goto gott grab grat grbr grob grog grok groo gror grot grrr gtaa gtbr gtta kaaa kaab kaag kaak kaar kaat kaba kabb kabg kabo kabr kag- kaga kagb kagg kago kagr kagt kaka kakk kako kakt kaoa kaog kaok kaor kara karb karg kark karo karr kart kat- kata katb katg katk kato katr katt kbaa kbab kbak kbar kbat kbba kbbb kbbg kbbk kbbo kbbr kbbt kbga kbgb kbgg kbgo kbgr kbgt kbkb kbkg kbkk kbko kbkr kboa kbob kbok kboo kbot kbra kbrb kbrg kbrk kbro kbrt kbta kbtb kbtk kbto kbtr kbtt kgab kgak kgba kgbb kgbr kgbt kgga kggg kggo kggr kgor kgot kgra kgrb kgrg kgrk kgro kgrr kgrt kgtk kgto kkaa kkag kkar kkat kkba kkbb kkbg kkbo kkbr kkbt kkgb kkgo kkgr kkkk kkoa kkob kkoo kkor kkot kkrb kkrk kkro kkrr kkrt kktk koab koak koar koba kobb kobk kobo kobr koga kogb kogg kogo kogt koka kokb kokk koko kokr koob koog kook kooo koor koot kora korb korg kork koro korr kort kota kotb kotk koto kotr kott krab krag krak krar krat krba krbb krbg krbk krbr krbt krgt krka krkk krko krkr kroa krob krog krok kroo kror krrb krrg krrk krro krrr krrt krta krtk krto krtr ktaa ktag ktak ktao ktar ktat ktba ktbb ktbg ktbr ktbt ktga ktgg ktgo ktgr ktkb ktkk ktko ktkr ktkt ktob ktok ktoo ktor ktot ktrb ktrg ktrk ktro ktrr ktrt kttg kttk ktto kttr kttt oara obak obba obbo obkb obok obor obot obra obro ogar ogb ogba ogoa ogog ogra ogro okak okgo okka okko okok okor okot okra okro okta okto ooaa ooak ooba oooo oora oort ootb orab orak orao orar orat orba orbb orbo orga orgo orka orko oro- orok oror orot orra orro orta orto otak otar oto- otog otok otoo otor otra otro otta otto raab raag raak raat raba rabb rabk rabo raga ragg rago raka rakk rakt raob raok rara rarb rark raro rata ratk rato ratt rbbb rbbr rgba rgtr roab roag roak roar roat rob- roba robb robo robt roga rogg rogo roka rokk roko rokr roob roog rook roor root rora rork roro rort rota rotg rotk roto rotr rott rrat rrrr rtkg taa- taag taar taat taba tabb tabo taga tagg tago taka takk tako takt taoa taor tara tarb targ tark taro tarr tart tata tatb tato tatr tatt tbar tbrb tbta tkkg toab toat toba tobo tobt toga togo togr togt toka toko tooa took toor toot tora torg tork toro torr tort tota toto totr tott traa trab trag trak trao trat troa trog troo trot trra trtr ttab ttbb ttkg tttt