a-ha a-ii aaaa aaab aaah aaai aaar aaba aabb aabh aabi aaha aaib aaii aaoo aara aari aaro abaa abab abai abar abb- abba abbb abbi abbo abbr abha abhi abho abhr abia abib abir aboa abob aboh aboo abor abra abri abro ahab ahah ahai ahar ahha ahio ahir ahoa ahor ahra ahrr aiai aiba aibo aiha aiho aiia aiib aiir aioi aira airh airi airo aoah aoba aora aorb arab arah arai arar arba arbh arbi arh- aria arib arii ario aroa arob aroi aroo aror arr- arra arrh arri arro arrr ba-i baaa baah baar baba babb babi babo babr baha bahi baho bahr baia baib baio bair baoh bar- bara barb barh bari baro barr bbbb bhai bhao bhar bhir bhoi bhor bhra biao biar biba bibb bibi bibo biha bihi bio- bioi bira birb biri biro birr boab boai boar boba bobb bobi bobo boha boho bohr boi- boii boob booh boor bor- bora borh bori boro borr brab brah brai brao bria brih brio broa brob broh broo bror brrr h-ii haab haar haba habi habo haha haho hair haor hara harh hari haro harr hbar hbio hhaa hhhh hiaa hiab hiar hiba hibi hihi hiho hiob hira hiri hiro hoai hoar hoba hobo hoha hoho hoir hoor hora hori horo horr hrib hrob iaaa iaai iaba iaia iara ibar ibia ibra ibri ibro ihab ihba ihob ihra iiii iiio iioi iioo iira ioba iobi ioii ioio iooi iooo iora iori irai irao irar iri- iria irio irob iroh irra irri oara obai obba obbo obia oboi obor obra obrh obri obro ohai ohba ohhi ohho ohia ohio ohob ohoh ohra oiba oiii oira ooaa ooba oobi ooha ooho ooia oooh oooo oora orab orah orai orao orar orba orbb orbi orbo ori- oria orio oro- oror orra orri orro raab raba rabb rabi rabo raha rahi rahr raia raii rair raob raoh rara rarb rari raro rbbb rbbr rboh rhib rhio rhoa rhob rhoh riaa riab riah riai rib- riba ribo riha riho riia riri roab roar rob- roba robb robi robo roha rohr roia roio roir roob rooi roor rora rori roro rrah rrrr