-er a-a a-b a-i aaa aab aae aai aak aar ab- aba abb abe abi abk abr aea aeb aee aei aek aer ai- aia aib aie aii aik air aka akb ake aki akk akr ar- ara arb are ari ark arr baa bab bae bai bak bar bba bbb bbe bbi bbk bbr be- bea beb bee bei bek ber bi- bia bib bie bii bik bir bka bkb bke bkk bkr bra brb bre bri brk brr eaa eab eae eai eak ear eba ebb ebe ebi ebk ebr eea eeb eee eek eer eia eib eie eii eik eir eka ekb eke eki ekr era erb ere eri erk err ia- iaa iab iae iai iar iba ibb ibe ibi ibk ibr ie- iea iee iei iek ier iia iib iie iii iir ika ikb ike iki ikk ikr ir- ira irb ire iri irk irr ka- kaa kab kae kai kak kar kba kbb kbe kbi kbk kbr ke- kea keb kee kei kek ker kia kib kie kii kik kir kkb kke kki kkk kkr kra kri krk krr ra- raa rab rae rai rak rar rba rbb rbe rbi rbk rbr re- rea reb ree rei rek rer ria rib rie rii rik rir rkb rke rkk rra rrb rri rrk rrr

a-ak a-be a-ii aaaa aaab aaae aaai aaar aaba aabb aabi aaea aaib aaii aaka aake aara aare aari abaa abab abae abai abak abar abb- abba abbb abbe abbi abbr abee aber abia abib abie abir abra abri aebi aeer aeka aer- aera aeri aiai aiba aiea aiee aiia aiib aiir aika aike aiki aira aire airi akaa akae akai akar akee aker akia akie akik akir akka akki akr- akra akre arab arae arai arak arar arba arbe arbi area aree arei arek aria arib arie arii arik arka arke arki arr- arra arre arri arrk arrr ba-i baaa baak baar baba babb babe babi babr baek baer baia baib baie baik bair bak- baka bake baki bakr bar- bara barb bare bari bark barr bbbb bbeb beak bear beba bebb bebe bebi beeb beek beer beia beik beir beka beke beki bera bere beri berk berr biak biar biba bibb bibe bibi bieb bier bike bira birb bire biri birk birr brab brae brai brak brea breb bree brei brek brer bria brie brik brka brkb brrr eaba eara earb eare ebba ebbr eber eeea eeee eeka eeke eera eiei eier eika eike eiki eira eire eka- ekab ekeb ekek eker ekka ekki erba erbb erbe ereb erei erer eria erie erik erke erki erra erre i-be iaaa iaai iaba iaea iaia iara iare ibar ibea ibia ibie ibra ibri ieie iera iere ieri iiie iiii iira ikar ikea ikee iker ikki ikra ikri irae irai irak irar irbe iree irer iri- iria irie irka irki irra irre irri kaaa kaab kaai kaak kaar kaba kabb kabe kabi kabr kaei kaer kaia kaib kaie kaii kaik kair kaka kake kaki kakk kara karb kare kari kark karr kbaa kbab kbae kbai kbak kbar kbba kbbb kbbe kbbi kbbk kbbr kbeb kbee kbek kber kbia kbib kbie kbik kbkb kbkk kbkr kbra kbrb kbre kbri kbrk kea- keak kear keba kebb kebe kebi kebr keek keer keib keii keik keir keka kekb keke keki ker- kera kerb kere keri kerk kerr kiab kiai kiar kiba kibb kibe kibi kibr kier kiia kiii kiik kika kiki kikk kikr kira kirb kiri kirk kirr kkaa kkai kkar kkba kkbb kkbe kkbi kkbr kkea kkia kkik kkkk kkrb kkre kkrk kkrr krab krae krai krak krar krba krbb krbe krbi krbk krbr krea kreb kree krei krek kria krib krik krka krke krki krkk krkr krrb krre krri krrk krrr raab raak raba rabb rabe rabi rabk raer raia raie raii raik rair raka rake raki rakk rara rarb rare rari rark rbbb rbbr rea- reae reak rear reba rebb rebe rebk reeb reek reia reii reik reir reka reke reki rera rere reri riaa riab riai riak rib- riba ribe riek rier riia rika rike riki rikk rire riri rrrr

-aaa- a-iii aaaai aaaee aabaa aabba aabra aaeri aaiib aaker aakre aaria abaab ababa ababe abaer abaia abaie abair abaka abake abara abare abari abbai abbar abbia abbie abear abeba abebe abeer abeie abekr abera abere aberr abira abkar abrak abrar abrek aeaea aebbe aeri- aeria aerie aiaia aibar aibik aibre aikia airai airba airer aka-e akaba akaki akare akari akbar akebi akeki akera akiak akiba akiek akira akker akkra akrai akrak akrar ar-ab arab- araba arabe arabi araea araia araie arake araki arara arare arari arbab arbar arbee arber arbia arbib arbir arbre areae arear areek areia areik areka areke arere ariab aribe arika arike ariki arire arkar arkia arkie arrai arrak arrea arria arrie b-r-k baabe baake baari babai babak babar babee babek baber babia babie babka babki babra baiae baiba baier baike baira baire bakai bakar bakea baker bakia bakie bakka bakke bakra bakri baraa barab barai barak barar barba barbe barbi barea barei barek barer bari- baria barie bark- barka barke barki barra barre barri bbbee bbear bbiab be-er beara beare bebar bebek beber bebra beebe beeke beeri beibi beier beika beira beire bekaa beker bekir bekka bekke bekra berak berar berba berbe berea berei berek beria berie berk- berka berke berra berre berri biaka biara biari bibar bibbe biber bibia bibie bibra bibri biebe bieke biere bieri biker bikie birak birar birba birie birka braai braak braie braik brake braki break breba breek breer breia breik breke brera brere briar bribe brier brika brike brrar brrrr eaker earar earik ebara ebber ebbie ebibe ebike ebria eeeee eerie eerik eibar eieia eiker eirea eirie ekari ekbir ekker erbaa erbar erbbe erber erbia erear erere eriba erier erika erkak erkki iaaee iaera iarke ibaba ibara ibear ibeia ibiai ibrik ieiri ierei iiiee iiiii ikara ikare ikari ikbke ikire iraia iraki irara iriba iriki irker k-rab kaaba kaari kabaa