a-ii aaaa aaab aaai aaar aaba aabb aabi aaib aaii aaoo aara aari aaro abaa abab abai abar abb- abba abbb abbi abbo abbr abia abib abir aboa abob aboo abor abra abri abro abza aiai aiba aibo aiia aiib aiir aioi aira airi airo aiza aizi aoba aora aorb arab arai arar arba arbi aria arib arii ario ariz aroa arob aroi aroo aror aroz arr- arra arri arro arrr arza arzo aza- azab azai azar azaz azia aziz azo- azoi azoo azor azra azza azzi azzo ba-i baaa baar baaz baba babb babi babo babr baia baib baio bair bar- bara barb bari baro barr barz baza bazi bazo bbbb biao biar biba bibb bibi bibo bio- bioi bira birb biri biro birr bizz boab boai boar boaz boba bobb bobi bobo boi- boii boob boor booz bor- bora bori boro borr borz boza bozi bozo brab brai brao braz bria brio briz broa brob broo bror broz brrr brza bzzz iaaa iaai iaba iaia iara ibar ibia ibra ibri ibro iiii iiio iioi iioo iira ioba iobi ioii ioio iooi iooo iora iori irai irao irar iri- iria irio irob irra irri izar izba izia izra izzo oara obai obba obbo obia oboi obor obra obri obro oiba oiii oira ooaa ooba oobi ooia oooo oora oozi orab orai orao orar orba orbb orbi orbo ori- oria orio oro- oror oroz orra orri orro orzo ozai ozar raab raaz raba rabb rabi rabo raia raii rair raiz raob rara rarb rari raro rarz raza razi razo razr razz rbbb rbbr riaa riab riai riaz rib- riba ribo riia rioz riri riza rizi rizz roab roar rob- roba robb robi robo roia roio roir roiz roob rooi roor rooz rora rori roro roza rozi rozz rrrr rzab z-ro zaar zaba zabi zabo zabr zaia zaio zara zarb zari zaro zarr zaza zazi zbar ziar ziaz ziba zibo zira ziri ziro ziza zizi zizz zoar zobo zoia zoio zoo- zora zorb zori zoro zoza zozo zzzz