a-a a-b a-t aaa aab aak aan aao aar aat ab- aba abb abk abn abo abr abt aka akb akk akn ako akr an- ana anb ank ann ano anr ant aoa aob aok aon aoo aor aot ar- ara arb ark arn aro arr art at- ata atb atn ato atr att baa bab bak ban bao bar bat bba bbb bbk bbn bbo bbr bbt bka bkb bkk bkn bko bkr bkt bna bnb bnk bnn bno bnr bnt boa bob bok bon boo bor bot bra brb brk brn bro brr brt bta btb btk btn bto btr btt k-t ka- kaa kab kak kan kao kar kat kba kbb kbk kbn kbo kbr kkb kkk kkn kkr kkt kn- kna knk knn kno knr knt koa kob kok kon koo kor kot kra krk krn kro krr krt kta ktb ktk ktn kto ktr ktt naa nab nak nan nao nar nat nba nbb nbk nbn nbo nbr nbt nka nkk nkn nko nkr nkt nna nnb nnk nnn nno nnt no- noa nob nok non noo nor not nra nrb nrk nrn nro nrr nrt nta ntb ntk ntn nto ntr ntt oaa oab oak oan oao oar oat ob- oba obb obk obn obo obr obt oka okb okk oko okr on- ona onb onk onn ono onr ont oo- ooa oob ook oon ooo oor oot or- ora orb ork orn oro orr ort ot- ota otb otk otn oto otr ott ra- raa rab rak ran rao rar rat rba rbb rbk rbn rbo rbr rbt rkb rkk rko rkt rna rnb rnn rno rnr rnt roa rob rok ron roo ror rot rra rrb rrk rrn rrr rrt rta rtb rtk rtn rto rtr rtt taa tab tak tan tao tar tat tba tbb tbk tbn tbo tbr tbt tka tkb tkk tko tkr tkt tna tnb tnk tnn tno tnr tnt to- toa tob tok ton too tor tot tra trb trk trn tro trr trt tta ttb ttk ttn tto ttr ttt

-ana a-ak a-ok aaaa aaab aaan aaar aaba aabb aabt aaka aana aaon aaoo aara aaro aart aata aatk aatt abaa abab abak aban abar abat abb- abba abbb abbo abbr abbt aboa abob abok abon aboo abor abot abra abro abta akaa akan akao akar akka akko akna akok akon akot akr- akra ana- anaa anab anak anan anao anar anat anba anbb anbo ank- anka anko anna annb anno annt ano- anoa anon anor ant- anta anto antr antt aoba aonb aono aont aora aorb aorn aort arab arak aran arar arat arba arka arko arna arnk arno arnt aroa arob aron aroo aror arr- arra arrk arro arrr arrt arta arto artr at-t ataa atab atak atan atar atat atka atkt atna atno atob atok aton ator atot atra atrk atrn atro atta attn atto attr baaa baak baan baar baat baba babb babo babr bak- baka bako bakr bakt bana bank bann bano banr bant baon bar- bara barb bark barn baro barr bart bata batn bato batt bbbb bnor bnrr bnta boab boak boan boar boat boba bobb bobo boka bokn boko bona bonk bonn bono bont boob book boon boor boot bor- bora bork born boro borr bort bota botb botn boto bott brab brak bran brao brat brka brkb brna brno broa brob brok bron broo bror brot brrr btaa btan btob btor btrt bttb kaaa kaab kaak kaan kaar kaat kaba kabb kabo kabr kaka kakk kakn kako kakt kana kanb kann kano kant kaoa kaok kaon kaor kara karb kark karn karo karr kart kat- kata katb katk katn kato katr katt kbaa kbab kbak kbar kbat kbba kbbb kbbk kbbo kbbr kbbt kbkb kbkk kbko kbkr kbna kbnn kbno kbnr kboa kbob kbok kbon kboo kbot kbra kbrb kbrk kbrn kbro kbrt kbta kbtb kbtk kbtn kbto kbtr kbtt kkaa kkan kkar kkat kkba kkbb kkbn kkbo kkbr kkbt kkkk kknb kknn kkno kknt kkoa kkob kkon kkoo kkor kkot kkrb kkrk kkrn kkro kkrr kkrt kktk knaa knab knan knar knat knba knbb knbn knbr knbt knkk knkt knnb knnk knnr knob knok knon knor knot knrb knrk knro kntk kntn knto kntr koab koak koan koar koba kobb kobk kobn kobo kobr koka kokb kokk kokn koko kokr kona konk kono kont koob kook koon kooo koor koot kora korb kork korn koro korr kort kota kotb kotk kotn koto kotr kott krab krak kran krar krat krba krbb krbk krbr krbt krka krkk krkn krko krkr krna krnb krnk krnn krno krnt kroa krob krok kroo kror krrb krrk krrn krro krrr krrt krta krtk krtn krto krtr ktaa ktak ktan ktao ktar ktat ktba ktbb ktbn ktbr ktbt ktkb ktkk ktkn ktko ktkr ktkt ktna ktnk ktnn ktno ktnt ktob ktok kton ktoo ktor ktot ktrb ktrk ktrn ktro ktrr ktrt kttk kttn ktto kttr kttt naaa naab naan naar naat naba nabk nabo naka nako nan- nana nanb nann nano nant naor naot nara nark narn naro narr nart nata nato natt nbaa nbak nbar nbbo nknt nkok nkor nktr nnnn nnot nntn noaa noak noat noba nobo noko non- nona nonn nono nont noo- noob nook noon nooo noor noot nor- nora norb nork norn noro norr nort not- nota noto nott nrab nrna nron nrta ntto nttr oara obak oban obba obbo obkb obok obon obor obot obra obro okak okan okka okko okna okno okok okon okor okot okra okro okta okto onab onan onar onat onna onno onon onor onra ont- onto ooaa ooak ooba oona oont oooo oora oort ootb orab orak oran orao orar orat orba orbb orbo orka orko orna orno oro- orok oron oror orot orra orro orta orto otak otan otar oto- otok oton otoo otor otra otro otta otto raab raak raan raat raba rabb rabk rabo raka rakk rakt rana rank rann rano rant raob raok rara rarb rark raro