a-do a-ii a-iv aaaa aaab aaad aaai aaap aaar aaav aaba aabb aabd aabi aabp aada aadi aaib aaii aaoo aapa aapi aapo aara aard aari aaro aarp aava abaa abab abad abai abap abar abb- abba abbb abbi abbo abbr abda abdi abdo abia abib abid abir aboa abob abod aboo abor abov abpa abpd abpi abpp abpr abra abri abro abva abvd abvp adaa adab adad adai adao adap adar adba adbi adda addd addi addo addr adia adib adio adip adir adob adod adoo ador adp- adra adro advb advi aiai aiba aibo aida aidb aidi aidr aiia aiib aiid aiir aioi aipa aipi aira aird airi airo airp aiva aivd aoba aopo aora aorb apai apao apap apar apba apbr apda apdd api- apia apid apio apip apo- apod apoo apop apor appa appd appr apra apri apro arab arad arai arap arar arba arbi arda ardi ardo aria arib arid arii ario arip aroa arob arod aroi aroo aror arpa arpi arr- arra arri arro arrr arva arvi arvo avab avao avar avda avdi avdp avia avid avio avip 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 bapa bapi bapp bar- bara barb bard bari baro barr bava bavi bbad bbbb bbdd bbdo bbpr bd-r bdav bdii biad biao biap biar biba bibb bibi bibo bida bidi bido bidr bio- bioi bipa bipp bira birb bird biri biro birr bivi boab boad boai boar boba bobb bobi bobo boda bodb bodi bodo boi- boid boii boob bood boop boor bopa bopp bor- bora bord bori boro borr bova bovi bovo bpai bpda bprd brab brad brai brao brav brda brdo bria brid brio broa brob brod broo bror brrr brvi d-bo daab daad daap daar daba dabb dabo dabp dada dadi dado daia daid daio dair dapa dapi dapp dara darb dard dari daro darp darr dava davi dbar dbpd dddd ddpo dia- diab diad diao diap diar diba dibb dibo dibp dida didi dido diii diiv diop dior dipa dipo dipp dira dird dirr diva divd divi divo doab doap doar doba dobb dobi dod- doda dodd dodi dodo doid doob dood doop door dopa dopo dopp dopr dora dord dori doro dorp dorr dovi dpaa dppa draa drab drad drap drar drba drda drib drip drob drod drop drra dvar dvda dvdr dvi- dvii dvir dvoa dvor dvra dvrp iaaa iaai iaap iaba iadb iaia iapa iapp 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 iiop iipa iira ioba iobi iod- ioda iodd iodo ioii ioio iooi iooo iora iori ipad ipba ipdi ipid ipod ipop ippa ippo ippr ipri irad irai irao irap irar irbp irda irdo irdp iri- iria irid irio irip irob irod irop irov irpa irra irri ivai ivao ivar ivbv ivda ivdr ivod ivor oapi oara obad obai obba obbo obia obid oboi obor obra obri obro obvi odai odbo odda oddd oddi odia odio odir odoo odop odor odra odrp odva oiav oiba oido oiii oira ooaa ooba oobi ooda oodi ooia ooid oooo oora oord opap opar opia opii opio opo- opor oppa oppi oppo opra orab orad orai orao orar orav orba orbb orbi orbo orda ordo ori- oria orid orio oro- oror orpi orra orri orro orvr ovar ovda ovi- ovid ovo- ovod ovoo ovpp ovra paap paar paba pada padd padi pado paia paib paid paio paip pair papa papb papi papp papr par- para pard pari paro parp parr parv pava pavo pbar pbpa pdpa pdpr piai piao pibb pibi pida pido piia piip piob pipa pipi pipo pipp pira piri piro pirr piva pivo poad poar poba pobo pod- poda podd podi podo poia poid poio pood poop poor pop- popa popi popo popp pora porb pori poro porr povo ppad ppap ppar ppbv ppib ppid ppoa ppod pppa pppd pppo pppp prad prai prao prar pri- pria prid prii priv pro- proa prob prod proo prop prov prpd prrd prri pvda pvpa raab raad raba rabb rabi rabo rada radd rado radr raia raid raii raip rair raob raop rapa rapd rapi rapp rara rarb rari raro rava ravi rbbb rbbr rdap rdbp rdio riaa riab riad riai rib- riba ribo rida ridd ridi rido riia ripa ripd ripi ripp ripr riri riva rivo rivp roab road roap roar rob- roba robb robi robo roda rodd rodi rodo roia roid roio roir roob rood rooi roop roor ropa ropo rora rori roro rova rovi rovo rpdp rpii rpob rrad rrrr vaad vaar vada vadi vado vaia vaid vaio vair vapa vapb vapi vara vard vari varp varr vava vdbp vdio viad viar vida vidi vido viii vipr vira virb viri viro virr viva vivi vivo voad voar voda vodo voia void voio voip voir voor vor- vora vord vori voro vpro vrai vrap vrav vrba vrdi vria vrio vvob vvpb vvvv