a-ii aaaa aaab aaai aaar aaba aabb aabi aaib aaii aaoo aara aari aaro aaru abaa abab abai abar abau abax abb- abba abbb abbi abbo abbr abia abib abir abiu aboa abob aboo abor abou abox abra abri abro abua aiai aiba aibo aiia aiib aiir aioi aira airi airo airx aiui aixa aixi aoba aora aorb arab arai arar arau arax arba arbi aria arib arii ario aroa arob aroi aroo aror arr- arra arri arro arrr arru arua arub arui auaa aur- aura auri auro auxa axar axi- axia axo- axoa axxo ba-i ba-x baaa baar baba babb babi babo babr babu baia baib baio bair baix bar- bara barb bari baro barr baru barx bau- baur baux baxi bbau bbbb bbox biao biar biba bibb bibi bibo bio- bioi biou biox bira birb biri biro birr biru birx bixa bixi boab boai boar boba bobb bobi bobo bobu boi- boii boiu boob boor boox bor- bora bori boro borr boru boua bour boxa brab brai brao brau brax bria brio brix broa brob broo bror brou brox brrr brux buar buba bubb bubi bubo bubu buir buiu buix bur- bura burb buri buro burr buru buxa iaaa iaai iaba iaia iara iaru ibar ibia ibox ibra ibri ibro iiii iiio iioi iioo iira ioba iobi ioii ioio iooi iooo iora iori irai irao irar iri- iria irio irix irob irra irri iuiu iura ixia ixxi oaau oara obai obba obbo obia obix oboi obor obox obra obri obro oiba oiii oira ooaa ooba oobi ooia oooo oora orab orai orao orar orba orbb orbi orbo orbu ori- oria orio orix oro- oror orra orri orro orub ouii ouir our- oura ouro ouu- oxa- oxi- oxia oxo- oxox oxxo raab raba rabb rabi rabo rabu raia raii rair raiu raix raob rara rarb rari raro raua raub raxa raxi rbbb rbbr riaa riab riai riau rib- riba ribo ribu riia riou riri rixo roab roar rob- roba robb robi robo robu roia roio roir roiu roob rooi roor roox rora rori roro roru roua roub roux roxa roxo rrrr ruba rubb rubi rubu rura ruri ruro ruru uair uaru uaua ubar ubba ubbi ubbo ubii ubir ubra uira uirr uor- urai urao urau urba urbi uria urib uriu urix uro- uroa uroo urox urra urri urur uuri uuuu uxia uxor xaar xara xaui xbai xbar xbox xbra xiao xibo xibu xiii xixi xoro xoxo xura xuri xuxa xuxu xxii xxix xxxi xxxo xxxx