-er a-a a-b a-t aaa aab aae aak aao aar aat aau ab- aba abb abe abk abo abr abt abu aea aeb aee aek aeo aer aet aeu aka akb ake akk ako akr aku aoa aob aoe aok aoo aor aot aou ar- ara arb are ark aro arr art aru at- ata atb ate ato atr att atu au- aua aub aue auk auo aur aut b-u baa bab bae bak bao bar bat bau bba bbb bbe bbk bbo bbr bbt bbu be- bea beb bee bek beo ber bet beu bka bkb bke bkk bko bkr bkt boa bob boe bok boo bor bot bou bra brb bre brk bro brr brt bru bta btb bte btk bto btr btt btu bua bub bue buk buo bur but buu eaa eab eae eak eao ear eat eau eba ebb ebe ebk ebo ebr ebt ebu eea eeb eee eek eeo eer eet eka ekb eke eko ekr ekt eku eo- eoa eob eoe eok eoo eor eot eou era erb ere erk ero err ert eru eta etb ete etk eto etr ett etu eu- eua eub eue eur eut k-t ka- kaa kab kae kak kao kar kat kau kba kbb kbe kbk kbo kbr kbu ke- kea keb kee kek keo ker ket kkb kke kkk kkr kkt kku koa kob koe kok koo kor kot kou kra krk kro krr krt kru kta ktb kte ktk kto ktr ktt ktu kub kue kuk kur kut kuu oaa oab oae oak oao oar oat oau ob- oba obb obe obk obo obr obt obu oea oeb oee oeo oer oet oka okb oke okk oko okr oku oo- ooa oob ook ooo oor oot or- ora orb ore ork oro orr ort oru ot- ota otb ote otk oto otr ott otu ou- oua oue ouk ouo our out ra- raa rab rae rak rao rar rat rau rba rbb rbe rbk rbo rbr rbt rbu re- rea reb ree rek reo rer ret reu rkb rke rkk rko rkt rku roa rob roe rok roo ror rot rou rra rrb rrk rrr rrt rru rta rtb rte rtk rto rtr rtt rtu rua rub rue ruk ruo rur rut ruu taa tab tae tak tao tar tat tau tba tbb tbe tbk tbo tbr tbt tbu te- tea teb tee tek teo ter tet teu tka tkb tke tkk tko tkr tkt to- toa tob toe tok too tor tot tou tra trb tre trk tro trr trt tru tta ttb tte ttk tto ttr ttt ttu tua tub tue tuk tuo tur tut tuu ua- uaa uab uae uak uao uar uat uau uba ubb ube ubk ubo ubr ubt ubu uea ueb uee uer uet uka ukb uke ukk ukr uku uoa uob uoe uok uoo uor uot ur- ura urb ure urk uro urr urt uru uta utb ute utk uto utr utt utu uua uue uur uut uuu

a-ak a-be a-ok aaaa aaab aaae aaar aaba aabb aabt aaea aaka aake aaku aaoe aaoo aara aare aaro aart aaru aata aatk aatt abaa abab abae abak abar abat abau abb- abba abbb abbe abbo abbr abbt abee aber abet aboa abob abok aboo abor abot abou abra abro abta abtu abua abue abuk abut aeer aeka aer- aera aero aeta aeto aetr aett akaa akae akao akar akee aker akeu akka akko akku akok akot akr- akra akre akte akua aoba aoeu aora aorb aort aout arab arae arak arar arat arau arba arbe area aree arek areo aret areu arka arke arko aroa arob aroe aroo aror arr- arra arre arrk arro arrr arrt arru arta arte arto artr arua arub arue arut at-t ataa atab atae atak atar atat atea atee ateo ater atka atkt atob atoe atok ator atot atra atre atrk atro atru atta atte atto attr attu atua atub atuk atur auaa aube auer auke aur- aura aure auro aut- aute auto baaa baak baar baat baba babb babe babo babr babu baek baer bak- baka bake bako bakr bakt baku bar- bara barb bare bark baro barr bart baru bata bate bato batt batu bau- bauk baur bbau bbbb bbeb bbet beak bear beat beau beba bebb bebe bebo beeb beek beer beet beka beke beko beo- beok beor beot bera bere berk bero berr bert beru beta bete beto bett betu beuk beur boab boak boar boat boba bobb bobe bobo bobu boea boee boeo boer boet boka boke boko boku boob booe book boor boot bor- bora bore bork boro borr bort boru bota botb bote boto bott boua boue bouk bour bout brab brae brak brao brat brau brea breb bree brek breo brer bret brka brkb broa brob broe brok broo bror brot brou brrr brue brut btaa btek btob btor btrt bttb buar buat buba bubb bube bubo bubu buea buer bueu buka buke bukk buko buku bur- bura burb bure burk buro burr burt buru but- buta bute buto butt eaba eara earb eare earo eart eata eate ebba ebbo ebbr eber eboe eboo ebor ebro ebru ebur eeea eeee eeka eeke eera eero eeta eete eetu eka- ekab ekeb ekek eker eket ekka ekoa ekta ekur eoka eora eore eota eoto erat erau erba erbb erbe ereb erer eret erke erob eroe eroo erra erre erro erta ertu erua erub erur etak etat etbr etee eter etka etoe etok etra etre etro etta ette etto ettu etua euba euer eur- eura eure euro eurt kaaa kaab kaak kaar kaat kaba kabb kabe kabo kabr kabu kaeo kaer kaet kaka kake kakk kako kakt kaku kaoa kaok kaor kara karb kare kark karo karr kart karu kat- kata katb kate katk kato katr katt katu kau- kaub kaue kauk kauo kaur kbaa kbab kbae kbak kbar kbat kbba kbbb kbbe kbbk kbbo kbbr kbbt kbbu kbeb kbee kbek kbeo kber kbet kbkb kbkk kbko kbkr kboa