a-a a-b a-i aaa aab aag aai aak aao aar ab- aba abb abg abi abk abo abr ag- aga agb agg agi agk ago agr ai- aia aib aig aii aik aio air aka akb akg aki akk ako akr aoa aob aog aoi aok aoo aor ar- ara arb arg ari ark aro arr baa bab bag bai bak bao bar bba bbb bbg bbi bbk bbo bbr bga bgb bgg bgi bgk bgo bgr bi- bia bib big bii bik bio bir bka bkb bkg bkk bko bkr boa bob bog boi bok boo bor bra brb brg bri brk bro brr gaa gab gag gai gak gao gar gba gbg gbi gbk gbo gbr gga ggb ggg ggi ggo ggr gia gib gig gii gik gio gir gka gkb gko goa gob gog goi gok goo gor gra grb grg gri grk gro grr ia- iaa iab iag iai iao iar iba ibb ibg ibi ibk ibo ibr iga igb igg igi igk igo igr iia iib iii iio iir ika ikb iki ikk iko ikr io- ioa iob iog ioi ioo ior ir- ira irb irg iri irk iro irr ka- kaa kab kag kai kak kao kar kba kbb kbi kbk kbo kbr kga kgb kgi kgo kia kib kig kii kik kio kir kkb kki kkk kkr koa kob kog koi kok koo kor kra krg kri krk kro krr o-i oaa oab oag oai oak oao oar ob- oba obb obg obi obk obo obr oga ogg ogi ogo oia oib oii oik oio oir oka okb okg oki okk oko okr oo- ooa oob oog ooi ook ooo oor or- ora orb org ori ork oro orr ra- raa rab rag rai rak rao rar rba rbb rbg rbi rbk rbo rbr rga rgb rgg rgi rgk rgo rgr ria rib rig rii rik rio rir rkb rkg rkk rko roa rob rog roi rok roo ror rra rrb rrg rri rrk rrr

a-ak a-ii a-ok aaaa aaab aaai aaar aaba aabb aabi aaib aaii aaka aaoo aara aari aaro abaa abab abag abai abak abar abb- abba abbb abbi abbo abbr abia abib abig abir aboa abob abok aboo abor abra abri abro ag-o agag agai agao agar agba agbo agga aggi agia agib agig agii agio agir agob agog agoo agra agri agro aiai aiba aibo aiga aigo aiia aiib aiir aika aiki aiko aioi aira airi airo akaa akai akao akar akia akik akio akir akka akki akko akok akr- akra aoba aoki aora aorb arab arag arai arak arar arba arbi arga argb argi argo aria arib arig arii arik ario arka arki arko aroa arob aroi aroo aror arr- arra arrg arri arrk arro arrr ba-i baaa baak baar baba babb babi babo babr baga bagg bagi bago baia baib baig baik baio bair bak- baka baki bako bakr bar- bara barb barg bari bark baro barr bbbb bbga bbrg bgia biak biao biar biba bibb bibi bibo biga bigb bigg bigo biko bio- biog bioi bira birb birg biri birk biro birr boab boag boai boak boar boba bobb bobi bobo boga bogg bogi bogo boi- boii boka boki boko boob boog book boor bor- bora borg bori bork boro borr brab brag brai brak brao bria brig brik brio brka brkb broa brob brog brok broo bror brrr gaar gaba gabb gabi gabo gabr gaga gagg gagi gago gaia gaig gair gaki gara garb garg gari garo garr gbag gbbo gggg giaa giai giba gibb giga gigg gigi gigo giog gioi gira girg giri girk giro girr goai goar goba gobi gobo goga gogi gogo goog gooi gook goor gora gorb gorg gori goro gorr grab grai grbr gria grib grig grob grog groi grok groo gror grrr i-go iaaa iaai iaba iago iaia iara ibar ibga ibia ibra ibri ibro igar igba igbo igga igia igoo igor igra igri iiii iiio iioi iioo iira ikar ikig ikki ikko ikoo ikra ikri ioba iobi ioii ioio ioko iooi iooo iora iorg iori irai irak irao irar iri- iria irig irio irka irki irob irra irri kaaa kaab kaag kaai kaak kaar kaba kabb kabg kabi kabo kabr kag- kaga kagb kagg kagi kago kagr kaia kaib kaig kaii kaik kaio kair kaka kaki kakk kako kaoa kaog kaoi kaok kaor kara karb karg kari kark karo karr kbaa kbab kbai kbak kbar kbba kbbb kbbg kbbi kbbk kbbo kbbr kbga kbgb kbgg kbgo kbgr kbia kbib kbig kbik kbio kbkb kbkg kbkk kbko kbkr kboa kbob kboi kbok kboo kbra kbrb kbrg kbri kbrk kbro kgab kgak kgba kgbb kgbr kgga kggg kggi kggo kggr kgia kgio kgir kgor kgra kgrb kgrg kgri kgrk kgro kgrr kiab kiai kiar kiba kibb kibg kibi kibo kibr kiga kigo kiia kiii kiik kika kiki kikk kiko kikr kioa kioi kiok kioo kira kirb kiri kirk kiro kirr kkaa kkag kkai kkar kkba kkbb kkbg kkbi kkbo kkbr kkgb kkgo kkgr kkia kkik kkkk kkoa kkob kkoo kkor kkrb kkrk kkro kkrr koab koai koak koar koba kobb kobi kobk kobo kobr koga kogb kogg kogi kogo koii koir koka kokb koki kokk koko kokr koob koog kooi kook kooo koor kora korb korg kori kork koro korr krab krag krai krak krar krba krbb krbg krbi krbk krbr krgi kria krib krik krio krka krki krkk krko krkr kroa krob krog kroi krok kroo kror krrb krrg krri krrk krro krrr oara obai obak obba obbo obia obkb oboi obok obor obra obri obro ogai ogar ogb ogba oggi ogoa ogog ogoi ogra ogri ogro oiba oigo oiii oiko oira okak okgo okia okir okka okko okok okor okra okro ooaa ooak ooba oobi ooia oooo oora orab orai orak orao orar orba orbb orbi orbo orga orgo ori- oria orig orio orka orko oro- orok oror orra orri orro raab raag raak raba rabb rabi rabk rabo raga ragg ragi rago raia raig raii raik