-al -ol a-a a-b aaa aab aak aal aao aar aav ab- aba abb abk abl abo abr abv aka akb akk akl ako akr akv al- ala alb alk all alo alr alv aoa aob aok aol aoo aor aov ar- ara arb ark arl aro arr arv av- ava avb avk avl avo avr baa bab bak bal bao bar bav bba bbb bbk bbl bbo bbr bka bkb bkk bkl bko bkr bkv bla blb blk bll blo blr blv boa bob bok bol boo bor bov bra brb brk brl bro brr brv bva bvb bvk bvl bvo bvr bvv ka- kaa kab kak kal kao kar kav kba kbb kbk kbl kbo kbr kkb kkk kkl kkr kkv kl- kla klb klo klr klv koa kob kok kol koo kor kra krk krl kro krr krv kva kvb kvk kvo kvr kvv la- laa lab lak lal lao lar lav lba lbb lbk lbl lbo lbr lbv lka lkb lkl lkr lla llb llk lll llo llr llv loa lob lok lol loo lor lov lra lrb lrk lro lrr lrv lva lvb lvl lvr lvv oaa oab oak oal oao oar oav ob- oba obb obk obl obo obr obv oka okb okk okl oko okr ola olb olk oll olo oo- ooa oob ook ool ooo oor oov or- ora orb ork orl oro orr orv ov- ova ovb ovl ovo ovv ra- raa rab rak ral rao rar rav rba rbb rbk rbl rbo rbr rkb rkk rko rkv rla rll rlo rlr roa rob rok rol roo ror rov rra rrb rrk rrl rrr rva rvb rvl rvo rvr rvv v-a vaa vab vak val vao var vav vba vbk vbl vbo vbr vbv vka vkb vl- vla vlb vlk vll vlo vlv voa vob vok vol voo vor vov vra vrb vrk vrr vva vvb vvo vvr vvv

a-ak a-ok aaaa aaab aaal aaar aaav aaba aabb aabl aaka aala aall aalo aaoo aara aaro aava abaa abab abak abal abar abb- abba abbb abbo abbr abla ablo ablv aboa abob abok abol aboo abor abov abra abro abva akaa akal akao akar akka akko aklo akok akr- akra alaa alak alal alao alar alb- alba albo alk- alka alkb alko all- alla alll allo allr aloa alok alol aloo alor alov alro alva alvo aoba aola aora aorb arab arak aral arar arba arka arko arla arlo aroa arob aroo aror arr- arra arrk arro arrr arva arvo avab aval avao avar avlb avor avra avro avva avvo baaa baak baal baar baba babb babo babr bak- baka bakl bako bakr bala balk ball balo baol bar- bara barb bark baro barr bava bbbb bblb blaa blab blak blkb blob blok bloo boab boak boal boar boba bobb bobo boka boko bola bolk boll bolo boob book bool boor bor- bora bork boro borr bova bovo brab brak brao brav brka brkb broa brob brok brol broo bror brrr k-lo kaaa kaab kaak kaal kaar kaba kabb kabo kabr kaka kakk kako kala kalb kalk kall kalo kalv kaoa kaok kaol kaor kara karb kark karl karo karr karv kava kavb kavl kavo kavv kbaa kbab kbak kbal kbar kbba kbbb kbbk kbbl kbbo kbbr kbkb kbkk kbkl kbko kbkr kbkv kbla kblb kbll kblo kblr kblv kboa kbob kbok kboo kbov kbra kbrb kbrk kbrl kbro kbrv kbva kbvb kbvo kbvr kkaa kkal kkar kkba kkbb kkbl kkbo kkbr kkkk kklb kkll kklo kklv kkoa kkob kkol kkoo kkor kkov kkrb kkrk kkrl kkro kkrr kkrv kkvr kkvv klaa klab klak klal klar klav klbb klbl klka klkk klkl klko klkr klkv klla kllb kllk kllv kloa klob klok klol kloo klor klov klrk klrr klvb klvk klvl klvo klvv koab koak koal koar koba kobb kobk kobo kobr koka kokb kokk koko kokr kola kolb kolk koll kolo kolr kolv koob kook kool kooo koor koov kora korb kork korl koro korr korv kova kovk kovo kovr krab krak kral krar krav krba krbb krbk krbl krbr krka krkk krko krkr krkv krla krlv kroa krob krok krol kroo kror krov krrb krrk krrl krro krrr krva krvb krvk krvl krvo krvr krvv kvab kvak kval kvar kvbl kvbr kvkl kvlb kvlo kvlr kvlv kvoa kvob kvok kvol kvoo kvor kvov kvra kvro kvrr kvrv kvvl kvvr kvvv laaa laak laal laar laba labo labr laka lala lall lalo lara larb lark larr larv lava lavo lbar lblr lkab lkal llao llll lloa lloo lo-v loar lob- loba lobb lobo loka lokk loko lola loll lolo loob look lool loor lora lork loro lovo lral lrba lrrr lvov lvrr oall oara obak obal obba obbo obkb obla obok obol obor obra obro okak okka okko okla oklo okok okol okor okra okro olar olav olba olbo olka olla ollo olor olov ooaa ooak ooba oola oolo oooo oora orab orak oral orao orar orav orba orbb orbo orka orko orla orlo oro- orok oror orra orro orvr oval ovar ovo- ovol ovoo ovra raab raak raba rabb rabk rabl rabo raka rakk rala ralb rall ralo raob raok raol rara rarb rark raro rava rbbb rbbr rlab roab roak roar rob- roba robb robo roka rokk roko rokr rola rolk roll rolo roob rook rool roor rora rork roro rova rovo rrrr vaal vaar vaka vala valk vall valo vara vark varr vava vkor vlab vlba vlok voar voka vola volk voll volo vool voor vor- vora voro vovk vrak vrav vrba vrbl vvob vvvv

-aaa- aabaa aabba aabra aakko abaab ababa abaka abako abala aball abalo abara abava abbar abkar abkoo ablak aboab abobl abobo abook abora abovo abrak abrar abrol akaba akabo akala akaoa akbar akkol akkra akobo akoka akoko akola akova akrak akrar akro- alaba alaka alala alaol alara alark alava albal albar albo- albor alka- allal allar allbo allo- alloa allok alloo allor allra aloba alook aloor alora alvar alvor aolok ar-ab arab-