a-a a-b a-i aaa aab aai aak aao aar aav ab- aba abb abi abk abo abr abv ai- aia aib aii aik aio air aiv aka akb aki akk ako akr akv aoa aob aoi aok aoo aor aov ar- ara arb ari ark aro arr arv av- ava avb avi avk avo avr baa bab bai bak bao bar bav bba bbb bbi bbk bbo bbr bi- bia bib bii bik bio bir biv bka bkb bkk bko bkr bkv boa bob boi bok boo bor bov bra brb bri brk bro brr brv bva bvb bvi bvk bvo bvr bvv i-v ia- iaa iab iai iao iar iav iba ibb ibi ibk ibo ibr ibv iia iib iii iio iir ika ikb iki ikk iko ikr ikv io- ioa iob ioi ioo ior iov ir- ira irb iri irk iro irr irv iva ivb ivi ivo ivr ivv ka- kaa kab kai kak kao kar kav kba kbb kbi kbk kbo kbr kia kib kii kik kio kir kiv kkb kki kkk kkr kkv koa kob koi kok koo kor kra kri krk kro krr krv kva kvb kvi kvk kvo kvr kvv o-i oaa oab oai oak oao oar oav ob- oba obb obi obk obo obr obv oia oib oii oik oio oir oiv oka okb oki okk oko okr oo- ooa oob ooi ook ooo oor oov or- ora orb ori ork oro orr orv ov- ova ovb ovi ovo ovv ra- raa rab rai rak rao rar rav rba rbb rbi rbk rbo rbr ria rib rii rik rio rir riv rkb rkk rko rkv roa rob roi rok roo ror rov rra rrb rri rrk rrr rva rvb rvi rvo rvr rvv v-a vaa vab vai vak vao var vav vba vbi vbk vbo vbr vbv vi- via vib vii vik vio vir viv vka vkb voa vob voi vok voo vor vov vra vrb vri vrk vrr vva vvb vvi vvo vvr vvv

a-ak a-ii a-iv a-ok aaaa aaab aaai aaar aaav aaba aabb aabi aaib aaii aaka aaoo aara aari aaro aava abaa abab abai abak abar abb- abba abbb abbi abbo abbr abia abib abir aboa abob abok aboo abor abov abra abri abro abva aiai aiba aibo aiia aiib aiir aika aiki aiko aioi aira airi airo aiva akaa akai akao akar akia akik akio akir akka akki akko akok akr- akra aoba aoki aora aorb arab arai arak arar arba arbi aria arib arii arik ario arka arki arko aroa arob aroi aroo aror arr- arra arri arrk arro arrr arva arvi arvo avab avao avar avia avik avio aviv avor avra avri avro avva avvo ba-i baaa baak baar baba babb babi babo babr baia baib baik baio bair bak- baka baki bako bakr bar- bara barb bari bark baro barr bava bavi bbbb biak biao biar biba bibb bibi bibo biko bio- bioi bira birb biri birk biro birr bivi boab boai boak boar boba bobb bobi bobo boi- boii boka boki boko boob book boor bor- bora bori bork boro borr bova bovi bovo brab brai brak brao brav bria brik brio brka brkb broa brob brok broo bror brrr brvi iaaa iaai iaba iaia iara iava ibar ibia ibra ibri ibro iiii iiio iioi iioo iira ikar ikki ikko ikoo ikra ikri ioba iobi ioii ioio ioko iooi iooo iora iori irai irak irao irar iri- iria irio irka irki irob irov irra irri ivai ivak ivao ivar ivbv ivor kaaa kaab kaai kaak kaar kaba kabb kabi kabo kabr kaia kaib kaii kaik kaio kair kaka kaki kakk kako kaoa kaoi kaok kaor kara karb kari kark karo karr karv kava kavb kavi kavo kavv kbaa kbab kbai kbak kbar kbba kbbb kbbi kbbk kbbo kbbr kbia kbib kbik kbio kbkb kbkk kbko kbkr kbkv kboa kbob kboi kbok kboo kbov kbra kbrb kbri kbrk kbro kbrv kbva kbvb kbvo kbvr kiab kiai kiar kiba kibb kibi kibo kibr kiia kiii kiik kika kiki kikk kiko kikr kioa kioi kiok kioo kira kirb kiri kirk kiro kirr kirv kiva kivi kkaa kkai kkar kkba kkbb kkbi kkbo kkbr kkia kkik kkkk kkoa kkob kkoo kkor kkov kkrb kkrk kkro kkrr kkrv kkvr kkvv koab koai koak koar koba kobb kobi kobk kobo kobr koii koir koiv koka kokb koki kokk koko kokr koob kooi kook kooo koor koov kora korb kori kork koro korr korv kova kovi kovk kovo kovr krab krai krak krar krav krba krbb krbi krbk krbr kria krib krik krio kriv krka krki krkk krko krkr krkv kroa krob kroi krok kroo kror krov krrb krri krrk krro krrr krva krvb krvi krvk krvo krvr krvv kvab kvak kvar kvbr kvik kvir kviv kvoa kvob kvoi kvok kvoo kvor kvov kvra kvri kvro kvrr kvrv kvvr kvvv oara obai obak obba obbo obia obkb oboi obok obor obra obri obro obvi oiav oiba oiii oiko oira okak okia okir okka okko okok okor okra okro ooaa ooak ooba oobi ooia oooo oora orab orai orak orao orar orav orba orbb orbi orbo ori- oria orio orka orko oro- orok oror orra orri orro orvr ovar ovi- ovo- ovoo ovra raab raak raba rabb rabi rabk rabo raia raii raik rair raka raki rakk raob raok rara rarb rari rark raro rava ravi rbbb rbbr riaa riab riai riak rib- riba ribo riia rika riki rikk riri riva rivo roab roak roar rob- roba robb robi robo roia roik roio roir roka roki rokk roko rokr roob rooi rook roor rora rori rork roro rova rovi rovo rrrr rvik vaar vaia vaik vaio vair vaka vaki vara vari vark varr vava viar viii viik vika viki viko vira virb viri virk viro virr viva vivi vivo vkor voar voia voio voir voka voor vor- vora vori voro vovk vrai vrak vrav vrba vria vrio vvob vvvv

-aaa- a-iii aaaai aabaa aabba aabra aaiib aakko aaria aavik abaab ababa abaia