a-ak a-ha a-ok aaaa aaab aaah aaar aaba aabb aabh aaha aahk aaka aaoo aara aaro abaa abab abaj abak abar abb- abba abbb abbo abbr abha abho abhr aboa abob aboh abok aboo abor abra abro ahab ahah ahar ahha ahja ahoa ahok ahor ahra ahrr ajab ajah ajak ajao ajar ajba ajka ajob ajoo akaa akah akao akar akha akka akko akok akr- akra aoah aoba aora aorb arab arah arak arar arba arbh arh- arja arjo arka arkh arko aroa arob aroo aror arr- arra arrh arrk arro arrr baaa baah baak baar baba babb babo babr baha baho bahr baja bak- baka bakh bako bakr baoh bar- bara barb barh bark baro barr bbbb bhao bhar bhor bhra bjoa boab boak boar boba bobb bobo boha boho bohr bojo boka boko boob booh book boor bor- bora borh borj bork boro borr brab brah braj brak brao brka brkb broa brob broh brok broo bror brrr haab haak haar haba habo haha haho haja hajj hajo haka hakk hako haor hara harh hark haro harr hbar hhaa hhhh hoar hoba hobo hoha hoho hoja hojo hoka hoko hook hoor hora hork horo horr hrob j-ro jaak jaar jaba jabo jabr jaha jahr jaja jaka jako jara jark jaro jarr jbaa jbar jbob jhar jhok jjar joab joah joao joar joba jobo joha joho jojo joka jokb jook joor jora jork joro jrbr kaaa kaab kaak kaar kaba kabb kabo kabr kaha kaho kahr kaja kajb kajk kajo kajr kaka kakh kakj kakk kako kaoa kaok kaor kara karb karj kark karo karr kbaa kbab kbak kbar kbba kbbb kbbk kbbo kbbr kbhb kbhh kbhr kbja kbjk kbkb kbkk kbko kbkr kboa kbob kbok kboo kbra kbrb kbrh kbrj kbrk kbro khab khak khao khar khbr khhk khho khjk khka khkk khkr khoa khob khoj khok khor khra khrk khro khrr kjaa kjak kjbb kjbr kjhk kjjj kjjk kjjo kjjr kjkj kjkk kjoj kjok kjor kjrb kkaa kkar kkba kkbb kkbj kkbo kkbr kkha kkhb kkhh kkhj kkhk kkhr kkjb kkjk kkkj kkkk kkoa kkob kkoh kkoj kkoo kkor kkrb kkrh kkrk kkro kkrr koab koak koar koba kobb kobk kobo kobr koha kohh koho kohr koja kojb kojo koka kokb kokh kokk koko kokr koob kook kooo koor kora korb kork koro korr krab krah kraj krak krar krba krbb krbk krbr krjb krjk krjo krka krkh krkk krko krkr kroa krob kroh krok kroo kror krrb krrk krro krrr oara obak obba obbo obja obkb obok obor obra obrh obro ohba ohho ohob ohoh ohok ohra ojak ojha ojok okak okha okja okka okko okok okor okra okro ooaa ooak ooba ooha ooho oooh oooo oora orab orah orak orao orar orba orbb orbo orka orko oro- orok oror orra orro raab raaj raak raba rabb rabk rabo raha rahr raja rajo raka rakk raob raoh raok rara rarb rark raro rbbb rbbr rboh rhoa rhob rhoh rhoj roab roak roar rob- roba robb robo roha rohr roja rojo roka rokh rokk roko rokr roob rook roor rora rork roro rrah rrrr