a-ii a-iv aaaa aaab aaai aaar aaav aaba aabb aabi aaib aaii aaoo aara aari aaro aava abaa abab abai abaj abar abb- abba abbb abbi abbo abbr abia abib abir aboa abob aboo abor abov abra abri abro abva aiai aiba aibo aiia aiib aiir aija aioi aira airi airo aiva ajab ajao ajar ajba ajio ajob ajoo ajri aoba aora aorb arab arai arar arba arbi aria arib arii arij ario arja arjo aroa arob aroi aroo aror arr- arra arri arro arrr arva arvi arvo avab avaj avao avar avia avio aviv avor avra avri avro avva avvo ba-i baaa baar baba babb babi babo babr baia baib baio bair baja baji bar- bara barb bari baro barr bava bavi bbbb biaj biao biar biba bibb bibi bibo bija biji bio- bioi bira birb biri biro birr bivi bjoa boab boai boar boba bobb bobi bobo boi- boii boji bojo boob boor bor- bora bori borj boro borr bova bovi bovo brab brai braj brao brav bria brio broa brob broo bror brrr brvi iaaa iaai iaba iaia iara iava ibar ibia ibra ibri ibro iiii iiio iioi iioo iira ijji ioba iobi ioii ioio iooi iooo iora iori irai iraj irao irar iri- iria irio irob irov irra irri ivai ivaj ivao ivar ivbv ivor j-ro jaar jaba jabi jabo jabr jair jaja jaji jara jari jaro jarr java jbaa jbar jbob jiao jibb jibi jiji jira jiri jiro jiva jjar joab joao joar joba jobo joia joio joji jojo joor jora joro jova jovi jovo jrbr oara obai obba obbo obia obja oboi obor obra obri obro obvi oiaj oiav oiba oiii oira ojai ooaa ooba oobi ooia ooij ooji oooo oora orab orai orao orar orav orba orbb orbi orbo ori- oria orio orji oro- oror orra orri orro orvr ovar ovi- ovo- ovoo ovra raab raaj raba rabb rabi rabo raia raii rair raja raji rajo raob rara rarb rari raro rava ravi rbbb rbbr riaa riab riai rib- riba ribo riia riji rijo riri riva rivo roab roar rob- roba robb robi robo roia roio roir roja roji rojo roob rooi roor rora rori roro rova rovi rovo rrrr vaar vaia vaio vair vaja vara vari varr vava viar viii viji vira virb viri viro virr viva vivi vivo vjaa voar voia voio voir voor vor- vora vori voro vrai vrav vrba vria vrij vrio vvob vvvv