a-ii a-iv aaaa aaab aaai aaar aaav aaba aabb aabi aaib aaii aaoo aara aari aaro aava abaa abab abai abar abb- abba abbb abbi abbo abbr abia abib abir aboa abob aboo abor abov abra abri abro abva abza aiai aiba aibo aiia aiib aiir aioi aira airi airo aiva 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 arva arvi arvo arza arzo avab avao avar avaz avia avio aviv aviz avor avra avri avro avva avvo aza- azab azai azar azaz azia aziz azo- azoi azoo azor azov 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 bava bavi baza bazi bazo bbbb biao biar biba bibb bibi bibo bio- bioi bira birb biri biro birr bivi bizz boab boai boar boaz boba bobb bobi bobo boi- boii boob boor booz bor- bora bori boro borr borz bova bovi bovo boza bozi bozo brab brai brao brav braz bria brio briz broa brob broo bror broz brrr brvi brza bziv bzzz iaaa iaai iaba iaia iara iava 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 irov irra irri ivai ivao ivar ivbv ivor izar izba izia izra izzo oara obai obba obbo obia oboi obor obra obri obro obvi oiav oiba oiii oira ooaa ooba oobi ooia oooo oora oozi orab orai orao orar orav orba orbb orbi orbo ori- oria orio oro- oror oroz orra orri orro orvr orzo ovar ovi- ovo- ovoo ovra ozai ozar raab raaz raba rabb rabi rabo raia raii rair raiz raob rara rarb rari raro rarz rava ravi raza razi razo razr razz rbbb rbbr riaa riab riai riaz rib- riba ribo riia rioz riri riva rivo riza rizi rizz roab roar rob- roba robb robi robo roia roio roir roiz roob rooi roor rooz rora rori roro rova rovi rovo roza rozi rozz rrrr rzab rzav vaar vaia vaio vair vara vari varr vava vaza vazi viar viii vira virb viri viro virr viva vivi vivo viza voar voia voio voir voiz voor vor- vora vori voro vrai vrav vraz vrba vria vrio vvob vvvv z-ro zaar zaav zaba zabi zabo zabr zaia zaio zara zarb zari zaro zarr zaza zazi zbar zbvi ziar ziaz ziba zibo zira ziri ziro ziva ziza zizi zizz zoar zobo zoia zoio zoo- zora zorb zori zoro zoza zozo zvab zzzz