a-ii aaaa aaab aaaf aaai aaar aaba aabb aabi aafa aafb aaff aafi aaib aaii aaoo aara aari aaro abaa abab abaf abai abaj abar abb- abba abbb abbi abbo abbr abff abia abib abir aboa abob abof aboo abor abra abri abro afaa afao afar affa affi affo afia afib afif afir afoa afoo afor afr- afra afri afro aiai aiba aibo aiff aiia aiib aiir aija aioi aira airi airo ajab ajao ajar ajba ajio ajob ajoo ajri aoba aora aorb arab araf arai arar arba arbi arfa arfb arff aria arib arif arii arij ario arja arjo aroa arob aroi aroo aror arr- arra arri arro arrr ba-i baaa baaf baar baba babb babi babo babr baff bafo baia baib baio bair baja baji bar- bara barb barf bari baro barr bbbb biaf biaj biao biar biba bibb bibi bibo bifa biff bifi bija biji bio- bioi bira birb biri biro birr bjoa boab boai boar boba bobb bobi bobo bofa boff boi- boii boji bojo boob boof boor bor- bora borf bori borj boro borr brab braf brai braj brao bria brio broa brob broo bror brrr faaa faba fabi fabo fafa faff fafi fafo faio fair faja fajr fara farb faro farr fbar ffar ffff ffii ffrr fiaa fiaf fiar fiba fifa fiff fifi fifo fiii fiji fior fira foaf foar foba fofo foia foof for- fora forb fori forj foro forr frab fria frib frio frob iaaa iaai iaba iaff iaia iara ibar ibfi ibia ibra ibri ibro ifaa ifao ifar ifbb ifor ifra ifrb ifrf ifri iifa iiii iiio iioi iioo iira ijji ioba iobi ioii ioio ioof iooi iooo iora iori iraf irai iraj irao irar iri- iria irio irob irra irri j-ro jaaf jaar jaba jabi jabo jabr jafa jaff jafi jafr jair jaja jaji jara jarf jari jaro jarr jbaa jbar jbob jiao jibb jibi jiff jiji jira jiri jiro jjar joab joao joar joba jobo jofa jofr joia joio joji jojo joof joor jora jorf joro jrbr oafo oara obai obba obbo obia obja oboi obor obra obri obro off- offa offo offr ofor ofra oiaj oiba oiii oira ojai ooaa ooba oobi ooff ooia ooij ooji oooo oora orab orai orao orar orba orbb orbi orbo orff orfi ori- oria orif orio orji oro- orof oror orra orri orro raab raaf raaj raba rabb rabi rabo rafa raff rafi raia raif raii rair raja raji rajo raob rara rarb rarf rari raro rbaf rbbb rbbr riaa riab riai rib- riba ribo rifa riff riia riif rijf riji rijo riri roab roaf roar rob- roba robb robi robo roff rofo roia roif roio roir roja roji rojo roob roof rooi roor rora rori roro rrif rrrr