a-a a-b aaa aab aad aao aar aau aax ab- aba abb abd abo abr abu abx ad- ada adb add ado adr adu adx aoa aob aod aoo aor aou aox ar- ara arb ard aro arr aru arx au- aua aub aud auo aur aux ax- axa axo axr axx b-u baa bab bad bao bar bau bax bba bbb bbd bbo bbr bbu bbx bda bdb bdd bdo bdr bdu bdx boa bob bod boo bor bou box bra brb brd bro brr bru brx bua bub bud buo bur buu bux bxb bxd bxo bxx daa dab dad dao dar dau dax dba dbb dbd dbo dbr dbu dbx dda ddb ddd ddo ddr ddu ddx doa dob dod doo dor dou dox dra drb drd dro drr dru drx dua dub dud duo dur dux dxd dxo dxr dxx oaa oab oad oao oar oau oax ob- oba obb obd obo obr obu obx oda odb odd odo odr odu oo- ooa oob ood ooo oor oox or- ora orb ord oro orr oru orx ou- oua oud ouo our ox- oxa oxb oxo oxx ra- raa rab rad rao rar rau rax rba rbb rbd rbo rbr rbu rbx rda rdb rdd rdo rdr rdu rdx roa rob rod roo ror rou rox rra rrb rrd rrr rru rua rub rud ruo rur ruu rux rxr ua- uaa uab uad uao uar uau uba ubb ubo ubr ubu ubx uda udb udd udo udr udu udx uoa uob uod uoo uor uox ur- ura urb urd uro urr uru urx uua uur uuu uxb uxo uxr uxu xaa xad xar xau xbr xbx xda xdb xdr xoa xod xoo xor xox xrd xrx xxo xxx

a-do aaaa aaab aaad aaar aaba aabb aabd aada aadu aaoo aara aard aaro aaru abaa abab abad abar abau abax abb- abba abbb abbo abbr abda abdo abdu aboa abob abod aboo abor abou abox abra abro abua abud adaa adab adad adao adar adba adda addd addo addr addu adob adod adoo ador adox adra adro adua adub adur aoba aora aorb arab arad arar arau arax arba arda ardo ardu aroa arob arod aroo aror arr- arra arro arrr arru arua arub arud auaa audo aur- aura aurd auro auxa axar axo- axoa axxo ba-x baaa baad baar baba babb babo babr babu bada badb badd bado badr badu bar- bara barb bard baro barr baru barx bau- baud baur baux bbad bbau bbbb bbdd bbdo bbox bd-r boab boad boar boba bobb bobo bobu boda bodb bodo bodu boob bood boor boox bor- bora bord boro borr boru boua boud bour boxa brab brad brao brau brax brda brdo broa brob brod broo bror brou brox brrr brud brux buad buar buba bubb bubo bubu buda budb budd budo budu bur- bura burb burd buro burr buru buxa d-bo daab daad daar daau daba dabb dabo dabu dada dado dadu daou dara darb dard daro darr daru daub daud daur daux dbar dddd ddub do-x doab doar doba dobb dobu dod- doda dodd dodo doob dood door dora dord doro dorr doru doub doud dour doux doxa draa drab drad drar drau drax drba drda drob drod drou drra drua drub druu duaa duab duad duar dub- duba dubb dubu duda dudd dudo dudu duo- dura duro duru duur dxab dxbr dxdr dxra dxrd dxrr dxrx dxur dxxr dxxx oaau oara obad obba obbo obor obox obra obro odax odbo odda oddd odoo odor odou odra odur ooaa ooba ooda oooo oora oord orab orad orao orar orba orbb orbo orbu orda ordo ordu oro- oror orra orro orub ouad our- oura ouro ouu- oxa- oxo- oxox oxud oxxo raab raad raba rabb rabo rabu rada radd rado radr radu radx raob rara rarb raro raua raub raud raxa rbbb rbbr roab road roar rob- roba robb robo robu roda rodd rodo roob rood roor roox rora roro roru roua roub roud roux roxa roxo rrad rrrr ruad ruba rubb rubu ruda rudd rudo rura rurd ruro ruru ruud uaru uaua ubar ubba ubbo ubod ubra ubud udaa udad udar udau udoo udox udra uor- urad urao urau urba urda urdu uro- uroa uroo urox urra urur uuuu uxor xaar xado xara xbar xbox xbra xoro xoxo xrdb xrod xuda xura xuxa xuxu xxxo xxxx

-aaa- -abad a-box aabaa aabba aabra aarau abaab ababa ababu abada abara abaru abbad abbar abbod abbou abbud abbur aboab aboad abobo abood abora abord aboud abrad abrar abrod abrud abuda abura aburr adaba adada adado adaou adaox adara adaro addax addra addur adoar adobo adodb adoor adora adoro adoub adour adoxa adrad adrar adroa aduba aouda ar-ab arab- araba arabo arada arado arara araru araux araxa arbab arbar arbor ardab ardod ardor ardra ardua ardud aroab aroad aroar aroba aroor arora arrau arrou arrua aruaa aruba arura aruru auaxa aubad audad audax audra audru aurad aurar auro- auroa auror aurox aurra auxo- axura baard babar babau babax babdo baboo babou babra babur badao badar baddo badod badoo badou badra badur baoro bar-x baraa barab barad barao barar barba barbu barda bardo bardu baro- baroa baroo baror barra barro barru barua barud baubo baura bauru bdoor bo-bo boada board boaro bobar bobr bodd- bodor booba boora boord booru borau borax borba borbo borda bordo boro- boroa borod boroo borou borox borra borro bouar bouba bouda boudu boura bourd brada bradu brard braud braux brdda broad brobo broda brodd brodo brood brora broud broxa brrar brrrr brud- bruxa buada bubba budda buddu budur buord buoux buraa burao burda buroo burra burro burru burud buxar d-a-d d-box d-rad d-rod daada daara dabar dabba dabbu dabou dabra dabua dabur dadao dadar dadau dadda daddo dadoo dadou dadra dadur daraa darab darba darbu darda dardo darod daroo darra darro darur dauda daura ddddd do-do doaba doado dobox dobra dobro dodab dodad dodoo dodro dooab dooar doodo doora doorx dorab dorad dorra dorud douar doura