a-ak a-ha a-ok aaaa aaab aaah aaar aaba aabb aabh aaha aahk aahz aaka aaoo aara aaro abaa abab abak abar abb- abba abbb abbo abbr abha abho abhr aboa abob aboh abok aboo abor abra abro abza ahab ahah ahar ahaz ahha ahoa ahok ahor ahra ahrr akaa akah akao akar akha akka akko akok akr- akra aoah aoba aora aorb arab arah arak arar arba arbh arh- arka arkh arko aroa arob aroo aror aroz arr- arra arrh arrk arro arrr arza arzo aza- azab azar azaz azo- azoo azor azra azza azzo baaa baah baak baar baaz baba babb babo babr baha baho bahr bak- baka bakh bako bakr baoh bar- bara barb barh bark baro barr barz baza bazo bbbb bhao bhar bhor bhra boab boak boar boaz boba bobb bobo boha boho bohr boka boko boob booh book boor booz bor- bora borh bork boro borr borz boza bozo brab brah brak brao braz brka brkb broa brob broh brok broo bror broz brrr brza bzrk bzzz haab haak haar haba habo haha haho haka hakk hako haor hara harh hark haro harr harz haza hbar hhaa hhhh hoar hoba hobo hoha hoho hoka hoko hook hoor hora hork horo horr hozo hrob hzak kaaa kaab kaak kaar kaba kabb kabo kabr kabz kaha kaho kahr kahz kaka kakh kakk kako kaoa kaok kaor kara karb kark karo karr karz kaza kazo kazr kazz kbaa kbab kbak kbar kbaz kbba kbbb kbbk kbbo kbbr kbbz kbhb kbhh kbhr kbkb kbkk kbko kbkr kbkz kboa kbob kbok kboo kboz kbra kbrb kbrh kbrk kbro kbrz kbzo kbzz khab khak khao khar khaz khbr khbz khhk khho khhz khka khkk khkr khkz khoa khob khok khor khoz khra khrk khro khrr khzk khzz kkaa kkar kkba kkbb kkbo kkbr kkbz kkha kkhb kkhh kkhk kkhr kkkk kkoa kkob kkoh kkoo kkor kkoz kkrb kkrh kkrk kkro kkrr kkrz kkzz koab koak koar koaz koba kobb kobk kobo kobr koha kohh koho kohr koka kokb kokh kokk koko kokr kokz koob kook kooo koor kooz kora korb kork koro korr koza kozb kozk kozo kozr krab krah krak krar kraz krba krbb krbk krbr krbz krka krkh krkk krko krkr krkz kroa krob kroh krok kroo kror kroz krrb krrk krro krrr krrz krza krzk krzr krzz kzar kzaz kzbb kzbk kzbr kzbz kzhk kzhr kzkr kzkz kzoo kzor kzoz kzrb kzrk kzro kzrr kzrz kzza kzzb kzzk kzzo kzzr kzzz oara obak obba obbo obkb obok obor obra obrh obro ohba ohho ohob ohoh ohok ohra okak okaz okha 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 oroz orra orro orzk orzo ozar raab raak raaz raba rabb rabk rabo raha rahr raka rakk raob raoh raok rara rarb rark raro rarz raza razo razr razz rbbb rbbr rboh rhoa rhob rhoh roab roak roar rob- roba robb robo roha rohr roka rokh rokk roko rokr roob rook roor rooz rora rork roro roza rozz rrah rrrr rzab rzka z-ro zaar zaba zabo zabr zaha zaho zahr zaka zakk zara zarb zark zaro zarr zaza zbar zhao zhar zhoa zhob zhor zoar zobo zohr zoo- zook zora zorb zork zoro zoza zozo zzhz zzzz