a-do a-ii a-iv aaaa aaab aaad aaai aaar aaav aaba aabb aabd aabi aada aadi aaib aaii aaoo aara aard aari aaro aava abaa abab abad abai abar abb- abba abbb abbi abbo abbr abda abdi abdo abia abib abid abir aboa abob abod aboo abor abov abra abri abro abva abvd adaa adab adad adai adao adar adba adbi adda addd addi addo addr adia adib adio adir adob adod adoo ador adra adro advb advi aiai aiba aibo aida aidb aidi aidr aiia aiib aiid aiir aioi aira aird airi airo aiva aivd aoba aora aorb arab arad arai arar arba arbi arda ardi ardo aria arib arid arii ario aroa arob arod aroi aroo aror arr- arra arri arro arrr arva arvi arvo avab avao avar avda avdi avia avid avio aviv avor avra avri avro avva avvo ba-i baaa baad baar baba babb babi babo babr bada badb badd badi bado badr baia baib baid baio bair bar- bara barb bard bari baro barr bava bavi bbad bbbb bbdd bbdo bd-r bdav bdii biad biao biar biba bibb bibi bibo bida bidi bido bidr bio- bioi bira birb bird biri biro birr bivi boab boad boai boar boba bobb bobi bobo boda bodb bodi bodo boi- boid boii boob bood boor bor- bora bord bori boro borr bova bovi bovo brab brad brai brao brav brda brdo bria brid brio broa brob brod broo bror brrr brvi d-bo daab daad daar daba dabb dabo dada dadi dado daia daid daio dair dara darb dard dari daro darr dava davi dbar dddd dia- diab diad diao diar diba dibb dibo dida didi dido diii diiv dior dira dird dirr diva divd divi divo doab doar doba dobb dobi dod- doda dodd dodi dodo doid doob dood door dora dord dori doro dorr dovi draa drab drad drar drba drda drib drob drod drra dvar dvda dvdr dvi- dvii dvir dvoa dvor dvra iaaa iaai iaba iadb iaia iara iava ibad ibar ibdo ibia ibid ibra ibrd ibri ibro idad idar idda iddo idia idid idio idir idra idro idvd iida iiii iiio iioi iioo iira ioba iobi iod- ioda iodd iodo ioii ioio iooi iooo iora iori irad irai irao irar irda irdo iri- iria irid irio irob irod irov irra irri ivai ivao ivar ivbv ivda ivdr ivod ivor oara obad obai obba obbo obia obid oboi obor obra obri obro obvi odai odbo odda oddd oddi odia odio odir odoo odor odra odva oiav oiba oido oiii oira ooaa ooba oobi ooda oodi ooia ooid oooo oora oord orab orad orai orao orar orav orba orbb orbi orbo orda ordo ori- oria orid orio oro- oror orra orri orro orvr ovar ovda ovi- ovid ovo- ovod ovoo ovra raab raad raba rabb rabi rabo rada radd rado radr raia raid raii rair raob rara rarb rari raro rava ravi rbbb rbbr rdio riaa riab riad riai rib- riba ribo rida ridd ridi rido riia riri riva rivo roab road roar rob- roba robb robi robo roda rodd rodi rodo roia roid roio roir roob rood rooi roor rora rori roro rova rovi rovo rrad rrrr vaad vaar vada vadi vado vaia vaid vaio vair vara vard vari varr vava vdio viad viar vida vidi vido viii vira virb viri viro virr viva vivi vivo voad voar voda vodo voia void voio voir voor vor- vora vord vori voro vrai vrav vrba vrdi vria vrio vvob vvvv