a-a a-b a-i a-t aaa aab aai aak aao aap aar aat ab- aba abb abi abk abo abp abr abt ai- aia aib aii aik aio aip air ait aka akb aki akk ako akp akr aoa aob aoi aok aoo aop aor aot ap- apa apb api apk apo app apr apt ar- ara arb ari ark aro arp arr art at- ata atb ati ato atp atr att b-p baa bab bai bak bao bap bar bat bba bbb bbi bbk bbo bbp bbr bbt bi- bia bib bii bik bio bip bir bit bka bkb bkk bko bkp bkr bkt boa bob boi bok boo bop bor bot bpa bpb bpi bpo bpp bpr bpt bra brb bri brk bro brp brr brt bta btb bti btk bto btp btr btt ia- iaa iab iai iao iap iar iat iba ibb ibi ibk ibo ibp ibr ibt iia iib iii iio iip iir iit ika ikb iki ikk iko ikr ikt io- ioa iob ioi ioo iop ior iot ipa ipb ipi ipo ipp ipr ipt ir- ira irb iri irk iro irp irr irt ita itb iti itk ito itp itt k-t ka- kaa kab kai kak kao kap kar kat kba kbb kbi kbk kbo kbp kbr kia kib kii kik kio kip kir kit kkb kki kkk kkp kkr kkt koa kob koi kok koo kop kor kot kpa kpi kpk kpo kpp kpr kpt kra kri krk kro krp krr krt kta ktb ktk kto ktp ktr ktt o-i oaa oab oai oak oao oap oar oat ob- oba obb obi obk obo obp obr obt oia oib oii oik oio oip oir oit oka okb oki okk oko okp okr oo- ooa oob ooi ook ooo oop oor oot op- opa opb opi opk opo opp opr opt or- ora orb ori ork oro orp orr ort ot- ota otb oti otk oto otp otr ott p-p paa pab pai pak pao pap par pat pba pbb pbi pbk pbo pbp pbr pbt pia pib pii pik pio pip pir pit pka pkb pki pko pkp pkr pkt poa pob poi pok poo pop por pot ppa ppb ppi ppk ppo ppp ppr ppt pra prb pri prk pro prp prr prt pt- pta ptb pti ptk pto ptp ptr ptt ra- raa rab rai rak rao rap rar rat rba rbb rbi rbk rbo rbp rbr rbt ria rib rii rik rio rip rir rit rkb rkk rko rkp rkt roa rob roi rok roo rop ror rot rpa rpb rpi rpk rpo rpp rpr rpt rra rrb rri rrk rrp rrr rrt rta rtb rti rtk rto rtp rtr rtt taa tab tai tak tao tap tar tat tba tbb tbi tbk tbo tbp tbr tbt tia tib tii tik tio tip tir tit tka tkb tkk tko tkp tkr tkt to- toa tob toi tok too top tor tot tpa tpb tpi tpk tpo tpp tpr tpt tra trb tri trk tro trp trr trt tta ttb tti ttk tto ttp ttr ttt

a-ak a-ii a-ok aaaa aaab aaai aaap aaar aaba aabb aabi aabp aabt aaib aaii aaka aaoo aapa aapi aapo aapt aara aari aaro aarp aart aata aatk aatt abaa abab abai abak abap abar abat abb- abba abbb abbi abbo abbr abbt abia abib abir abit aboa abob abok aboo abor abot abpa abpi abpp abpr abra abri abro abta aiai aiba aibo aiia aiib aiir aika aiki aiko aioi aipa aipi aira airi airo airp airt aita aiti aitr aitt akaa akai akao akap akar akia akik akio akir akka akki akko akok akot akpo akr- akra aoba aoki aokp aopo aora aorb aort apai apak apao apap apar apat apba apbr api- apia apio apip apit apo- apoo apop apor apot appa appr appt apra apri apro aprt apta apti aptt arab arai arak arap arar arat arba arbi aria arib arii arik ario arip arit arka arki arko aroa arob aroi aroo aror arpa arpi arr- arra arri arrk arro arrr arrt arta arti arto artr at-t ataa atab atai atak atap atar atat atia atik atip atit atka atkt atob atoi atok atop ator atot atpr atra atri atrk atro atrp atta atti atto attp attr ba-i baaa baak baar baat baba babb babi babo babr baia baib baik baio bair bait bak- baka baki bako bakr bakt bapa bapi bapp bapt bar- bara barb bari bark baro barr bart bata bati bato batt bbbb bbpr biak biao biap biar biat biba bibb bibi bibo biko bio- bioi biot bipa bipp bira birb biri birk biro birr birt bita bito bitt bkpr bkpt boab boai boak boar boat boba bobb bobi bobo boi- boii boit boka boki boko boob book boop boor boot bopa bopp bor- bora bori bork boro borr bort bota botb boti boto bott bpai bpot bpti brab brai brak brao brat bria brik brio brit brka brkb broa brob brok broo bror brot brrr btaa btbp btob btor btrt bttb iaaa iaai iaap iaat iaba iaia iapa iapp iapt iara iart iata iati ibar ibat ibia ibot ibra ibri ibro ibtb iiii iiio iiit iioi iioo iiop iipa iira iita iitr iitt ikar ikat ikki ikko ikoo ikra ikri ioba iobi ioii ioio ioit ioko iooi iooo iora iori iota ioto ipak ipat ipba ipbk ipko ipop ippa ippo ippr ipri ipta ipto irai irak irao irap irar irbp iri- iria irio irip irka irki irob irop irpa irra irri irta irti irtp itaa itai itak itap itar itat itia itko itoi itoo itor itpa itra itri itta itto kaaa kaab kaai kaak kaap kaar kaat kaba kabb kabi kabo kabr kaia kaib kaii kaik kaio kaip kair kait kaka kaki kakk kako kakt kaoa kaoi kaok kaor kap- kapa kapi kapo kapp kapt kara karb kari kark karo karp karr kart kat- kata katb kati katk kato katp katr katt kbaa kbab kbai kbak kbap