a-a a-b a-t aaa aab aak aao aar aat aau aav ab- aba abb abk abo abr abt abu abv aka akb akk ako akr aku akv aoa aob aok aoo aor aot aou aov ar- ara arb ark aro arr art aru arv at- ata atb ato atr att atu atv au- aua aub auk auo aur aut auv av- ava avb avk avo avr avt avu b-u baa bab bak bao bar bat bau bav bba bbb bbk bbo bbr bbt bbu bka bkb bkk bko bkr bkt bkv boa bob bok boo bor bot bou bov bra brb brk bro brr brt bru brv bta btb btk bto btr btt btu btv bua bub buk buo bur but buu bva bvb bvk bvo bvr bvt bvu bvv k-t ka- kaa kab kak kao kar kat kau kav kba kbb kbk kbo kbr kbu kkb kkk kkr kkt kku kkv koa kob kok koo kor kot kou kra krk kro krr krt kru krv kta ktb ktk kto ktr ktt ktu ktv kub kuk kur kut kuu kva kvb kvk kvo kvr kvv oaa oab oak oao oar oat oau oav ob- oba obb obk obo obr obt obu obv oka okb okk oko okr oku oo- ooa oob ook ooo oor oot oov or- ora orb ork oro orr ort oru orv ot- ota otb otk oto otr ott otu otv ou- oua ouk ouo our out ov- ova ovb ovo ovv ra- raa rab rak rao rar rat rau rav rba rbb rbk rbo rbr rbt rbu rkb rkk rko rkt rku rkv roa rob rok roo ror rot rou rov rra rrb rrk rrr rrt rru rta rtb rtk rto rtr rtt rtu rtv rua rub ruk ruo rur rut ruu ruv rva rvb rvo rvr rvt rvu rvv taa tab tak tao tar tat tau tav tba tbb tbk tbo tbr tbt tbu tbv tka tkb tkk tko tkr tkt to- toa tob tok too tor tot tou tov tra trb trk tro trr trt tru trv tta ttb ttk tto ttr ttt ttu ttv tua tub tuk tuo tur tut tuu tuv tva tvb tvk tvo tvr tvt tvu ua- uaa uab uak uao uar uat uau uav uba ubb ubk ubo ubr ubt ubu ubv uka ukb ukk ukr uku uoa uob uok uoo uor uot ur- ura urb urk uro urr urt uru uta utb utk uto utr utt utu utv uua uur uut uuu uva uvb uvo uvu uvv v-a vaa vab vak vao var vat vau vav vba vbk vbo vbr vbv vka vkb vkt voa vob vok voo vor vot vou vov vra vrb vrk vrr vrt vru vta vtb vtk vto vtr vtt vtu vtv vuk vur vut vuv vva vvb vvo vvr vvt vvv

a-ak a-ok aaaa aaab aaar aaav aaba aabb aabt aaka aaku aaoo aara aaro aart aaru aata aatk aatt aava abaa abab abak abar abat abau abb- abba abbb abbo abbr abbt aboa abob abok aboo abor abot abou abov abra abro abta abtu abua abuk abut abva akaa akao akar akka akko akku akok akot akr- akra aktv akua aoba aora aorb aort aout arab arak arar arat arau arba arka arko aroa arob aroo aror arr- arra arrk arro arrr arrt arru arta arto artr artv arua arub arut arva arvo at-t ataa atab atak atar atat atka atkt atkv atob atok ator atot atra atrk atro atru atta atto attr attu atua atub atuk atur auaa aur- aura auro aut- auto avab avao avar avat avkt avor avot avou avra avro avur avva avvo baaa baak baar baat baba babb babo babr babu bak- baka bako bakr bakt baku bar- bara barb bark baro barr bart baru bata bato batt batu bau- bauk baur bava bavu bbau bbbb boab boak boar boat boba bobb bobo bobu boka boko boku boob book boor boot bor- bora bork boro borr bort boru bota botb boto bott boua bouk bour bout bova bovo brab brak brao brat brau brav brka brkb broa brob brok broo bror brot brou brrr brut bruv btaa btob btor btrt bttb buar buat buba bubb bubo bubu buka bukk buko buku bur- bura burb burk buro burr burt buru but- buta buto butt kaaa kaab kaak kaar kaat kaba kabb kabo kabr kabu kaka kakk kako kakt kaku kaoa kaok kaor kara karb kark karo karr kart karu karv kat- kata katb katk kato katr katt katu katv kau- kaub kauk kauo kaur kava kavb kavo kavu kavv kbaa kbab kbak kbar kbat kbba kbbb kbbk kbbo kbbr kbbt kbbu kbkb kbkk kbko kbkr kbkv kboa kbob kbok kboo kbot kbov kbra kbrb kbrk kbro kbrt kbru kbrv kbta kbtb kbtk kbto kbtr kbtt kbtv kbua kbub kbuk kbur kbut kbuu kbva kbvb kbvo kbvr kbvu kkaa kkar kkat kkba kkbb kkbo kkbr kkbt kkkk kkoa kkob kkoo kkor kkot kkov kkrb kkrk kkro kkrr kkrt kkrv kktk kktu kktv kkua kkut kkuu kkvr kkvt kkvu kkvv koab koak koar koba kobb kobk kobo kobr kobu koka kokb kokk koko kokr koku koob kook kooo koor koot koou koov kora korb kork koro korr kort koru korv kota kotb kotk koto kotr kott kotu kotv koua koub kour kout kouu kova kovk kovo kovr krab krak krar krat krav krba krbb krbk krbr krbt krka krkk krko krkr krku krkv kroa krob krok kroo kror krov krrb krrk krro krrr krrt krta krtk krto krtr krtv krua kruk krur krva krvb krvk krvo krvr krvv ktaa ktak ktao ktar ktat ktav ktba ktbb ktbr ktbt ktbu ktkb ktkk ktko ktkr ktkt ktku ktob ktok ktoo ktor ktot ktrb ktrk ktro ktrr ktrt ktru ktrv kttk ktto kttr kttt kttu kttv ktub ktuv ktva ktvb ktvk ktvo ktvr ktvt ktvu kuar kuat kuau kuba kubb kubo kubr kubu kuka kukk kuku kuoa kuok kuoo kura kurb kurk kuro kurr kurt kuru kurv kuta kuto kutr kutt kutu kutv