a-a a-b aaa aab aak aao aar aav ab- aba abb abk abo abr abv aka akb akk ako akr akv aoa aob aok aoo aor aov ar- ara arb ark aro arr arv av- ava avb avk avo avr baa bab bak bao bar bav bba bbb bbk bbo bbr bka bkb bkk bko bkr bkv boa bob bok boo bor bov bra brb brk bro brr brv bva bvb bvk bvo bvr bvv ka- kaa kab kak kao kar kav kba kbb kbk kbo kbr kkb kkk kkr kkv koa kob kok koo kor kra krk kro krr krv kva kvb kvk kvo kvr kvv oaa oab oak oao oar oav ob- oba obb obk obo obr obv oka okb okk oko okr oo- ooa oob ook ooo oor oov or- ora orb ork oro orr orv ov- ova ovb ovo ovv ra- raa rab rak rao rar rav rba rbb rbk rbo rbr rkb rkk rko rkv roa rob rok roo ror rov rra rrb rrk rrr rva rvb rvo rvr rvv v-a vaa vab vak vao var vav vba vbk vbo vbr vbv vka vkb voa vob vok voo vor vov vra vrb vrk vrr vva vvb vvo vvr vvv

a-ak a-ok aaaa aaab aaar aaav aaba aabb aaka aaoo aara aaro aava abaa abab abak abar abb- abba abbb abbo abbr aboa abob abok aboo abor abov abra abro abva akaa akao akar akka akko akok akr- akra aoba aora aorb arab arak arar arba arka arko aroa arob aroo aror arr- arra arrk arro arrr arva arvo avab avao avar avor avra avro avva avvo baaa baak baar baba babb babo babr bak- baka bako bakr bar- bara barb bark baro barr bava bbbb boab boak boar boba bobb bobo boka boko boob book boor bor- bora bork boro borr bova bovo brab brak brao brav brka brkb broa brob brok broo bror brrr kaaa kaab kaak kaar kaba kabb kabo kabr kaka kakk kako kaoa kaok kaor kara karb kark karo karr karv kava kavb kavo kavv kbaa kbab kbak kbar kbba kbbb kbbk kbbo kbbr kbkb kbkk kbko kbkr kbkv kboa kbob kbok kboo kbov kbra kbrb kbrk kbro kbrv kbva kbvb kbvo kbvr kkaa kkar kkba kkbb kkbo kkbr kkkk kkoa kkob kkoo kkor kkov kkrb kkrk kkro kkrr kkrv kkvr kkvv koab koak koar koba kobb kobk kobo kobr koka kokb kokk koko kokr koob kook kooo koor koov kora korb kork koro korr korv kova kovk kovo kovr krab krak krar krav krba krbb krbk krbr krka krkk krko krkr krkv kroa krob krok kroo kror krov krrb krrk krro krrr krva krvb krvk krvo krvr krvv kvab kvak kvar kvbr kvoa kvob kvok kvoo kvor kvov kvra kvro kvrr kvrv kvvr kvvv oara obak obba obbo obkb obok obor obra obro okak okka okko okok okor okra okro ooaa ooak ooba oooo oora orab orak orao orar orav orba orbb orbo orka orko oro- orok oror orra orro orvr ovar ovo- ovoo ovra raab raak raba rabb rabk rabo raka rakk raob raok rara rarb rark raro rava rbbb rbbr roab roak roar rob- roba robb robo roka rokk roko rokr roob rook roor rora rork roro rova rovo rrrr vaar vaka vara vark varr vava vkor voar voka voor vor- vora voro vovk vrak vrav vrba vvob vvvv

-aaa- aabaa aabba aabra aakko abaab ababa abaka abako abara abava abbar abkar abkoo aboab abobo abook abora abovo abrak abrar akaba akabo akaoa akbar akkra akobo akoka akoko akova akrak akrar akro- ar-ab arab- araba arabo arara arava arbab arbar arbok arbor arkar aroab aroar aroba aroor arora arrak arvak arvar avara avaro b-r-k baava babak babar babka baboo babra bakar bakka bakoa bakov bakra baoro baraa barab barak barao barar barba bark- barka baro- baroa barok baroo baror barra barro barva bavar bavra bbook bo-bo boaro bobak bobar bobko bobok bobov bobr bokaa bokko bokok bokor bokov booba booko boora borak borba borbo borka borko boro- boroa borok boroo borov borra borro borvo braak brako brava bravo broak brobo brook brora brova brrar brrrr k-a-o k-rab k-rob kaaba kaava kaavo kabaa kabab kabak kabar kabba kabob kabro kakao kakar kakka kakko kako- kakra kaooa karak karka karob karok karoo kavak kavar kavka ko-ko koara kobar kobra kokab kokak kokka kokko kokor kokra kooba kooka korab korak korba korbo koroa koror korra korro kovak kovar kovor kraak kraar kraka o-r-b oaror obaba obara obava obora oboro obrab obrok obrov obrva okaka okara okobo okoro ooooo oovoo oraba orara orava orobo orvar ovaka ovako ovar- ovaro ra-ra raaba raaor rabab rabak rabba rabor rakaa rakab rakov ravak ravar rkavv ro-ro roark robab robak robar robbo robo- robor rokkk rooba rorra v-bob v-bor vaara vakko varab varak varbo varor varra varro varva vavar vavra vokov vorab vorra vraka vrbka vrbov

aaaaba aabroo abarka abaroa abobra abraka abrook aka-bo akakor akaroa akbaba akkaba akraba akraka arabo- arabov ararao arbra arraba arroba avroko avrora baabaa baabar baaror babbar babovo bakara bakkar baobab bar-or baraka barara barbar barbra barbro barkov baroko barovo barrak bavaro bavoko bbbbbb boabab bobara bobbar bobkov bobova bobovo bobrok bobrov bokaro bokoro booboo boorka borbor boroko bororo borova borovo bovara brokkr brovko ka-bar kabaka kabara kabook kakara kakava kakkak kakkar karaba karabo karaka karako karara karava karkaa karkar karkor karoor karora karoro karrab karrar karrbo karroo koakoa kobako koboko kokako kokar kokora kokoro kookoo koorka koraro korkor korora kororo korova korr-a kovrov krakoa krakov krbava krkovo obarok oborka okbara ookroo oooooo oravka orbara rababa rabkor rabovo rakova rakovo raraka ravoor robovo rokkor vakra vaovao varbar varkab varrak varrar varroa varvar vrbovo vvvvvv

ababkov akarova akbarov arakaka araroba arrorro baabarr babakro baraboo barabra barakar barbara barbaro barbora barkaro bavorov bbbbbbb bobbarr bobkova bobrka bobrova bok-bok boo-boo boobook boorara brabova kabarak kakaako kararao karkaar kobroor koorara kor-kor koravar korbovo korkoro korobov kororaa kovarov kra-kra krako kravkov krokava o-o-a-a oakbark oakboro oroboro rababoo rabakov rabrovo rav-kav roboboa roo-bar roobaka roobarb varvara vavrova