a-a a-b a-c aaa aab aac aae aak aam aao aav ab- aba abb abc abe abk abm abo abv ac- aca acb acc ace ack acm aco acv aea aeb aec aee aek aem aeo aev aka akb akc ake akk akm ako akv ama amb amc ame amk amm amo amv aoa aob aoc aoe aok aom aoo aov av- ava avb avc ave avk avm avo baa bab bac bae bak bam bao bav bba bbb bbc bbe bbk bbm bbo bca bcb bcc bce bck bcm bco bcv be- bea beb bec bee bek bem beo bev bka bkb bkc bke bkk bkm bko bkv bma bmb bmc bme bmk bmm bmo bmv boa bob boc boe bok bom boo bov bva bvb bvc bve bvk bvm bvo bvv c-- caa cab cac cae cak cam cao cav cba cbb cbc cbe cbk cbm cbo cbv cca ccb ccc cce cck ccm cco ccv ce- cea ceb cec cee cek cem ceo cev cka ckb ckc ckm cko cma cmb cmc cme cmk cmm cmo cmv co- coa cob coc coe cok com coo cov cva cvb cvc cve cvk cvm cvo cvv eaa eab eac eae eak eam eao eav eba ebb ebc ebe ebk ebm ebo ebv ec- eca ecb ecc ece eck ecm eco ecv eea eeb eec eee eek eem eeo eev eka ekb ekc eke eko ekv em- ema emb emc eme emk emm emo emv eo- eoa eob eoc eoe eok eom eoo eva evb evc eve evm evo evv ka- kaa kab kac kae kak kam kao kav kba kbb kbc kbe kbk kbm kbo kca kcb kcc kce kck kcm ke- kea keb kec kee kek kem keo kev kkb kkc kke kkk kkm kkv kma kmb kmc kme kmk kmm kmo koa kob koc koe kok kom koo kva kvb kvk kvm kvo kvv m-o m-v maa mab mac mae mak mam mao mav mba mbb mbc mbe mbk mbm mbo mbv mc- mca mcb mcc mce mck mcm mco mcv mea meb mec mee mek mem meo mev mka mkb mkc mke mkk mkm mko mkv mma mmb mmc mme mmk mmm mmo mmv moa mob moc moe mok mom moo mov mva mvb mvc mve mvm mvo mvv oaa oab oac oae oak oam oao oav ob- oba obb obc obe obk obm obo obv oc- oca ocb occ ock ocm oco ocv oea oeb oec oee oem oeo oka okb okc oke okk oko om- oma omb omc ome omm omo omv oo- ooa oob ooc ook oom ooo oov ov- ova ovb ovc ove ovo ovv v-a v-e vaa vab vac vae vak vam vao vav vba vbc vbk vbm vbo vbv vca vcc vce vcm vco vea veb vec vee vek vem veo vka vkb vkm vm- vma vmc vmm vmo voa vob voc voe vok vom voo vov vva vvb vvc vvm vvo vvv

-vac a-ak a-be a-ok aaaa aaab aaac aaae aaam aaav aaba aabb aabc aabm aaca aacb aacc aace aack aacm aaco aacv aaea aaec aaem aaev aaka aake aama aamb aamc aame aamo aaoe aaoo aava abaa abab abac abae abak abam abb- abba abbb abbe abbo abca abcb abcc abec abee abma abmb abmc aboa abob abok aboo abov abva acaa acab acac acae acba acca accc acce accm acco ace- acea acec acek acem acev acke acma acmc acme acmv acoa acoe acom acvv aeac aecb aeka aeom aeva akaa akae akam akao akca akee akka akko akok akom amaa amac amae amam amb- amba ambe ambo amca amcc amco amec amee amka amm- amma amme ammo amob amoc amok amoo aoba aoca aoce aoma avab avao avcc avce avco avea avec aveo avma avva avvo baaa baak baam baba babb babe babm babo bac- baca bacc bace back baco baek bak- baka bake bako bama bamb bamc bame bamm bava bave bbbb bbcm bbeb bcaa bcam bcbc bcca bccc bccm bcec bcma bcvo beak beam beav beba bebb bebe bebo beca beck beeb beek beem beka beke beko bema beme beo- beok bevo bmaa bmce bmoc bmvc boab boac boak boba bobb bobe bobo boca boce bock bocm boco boea boec boee boeo boka boke boko boma bomb bome boob booc booe book boom bova bove bovo c-bo caaa caab caac caam caba cabe cabo cac- caca cacc cace cack cacm caco caec caem caka cake cama camb camc came camk camm camo cava cave cavo cbac cbbc cbca cbcc cbce cbcm cbea cbec cbee cbka cbkm cbko cbme cbva cbvb cbve ccaa ccab ccac ccam ccba ccbc ccca cccb cccc cccm cccv ccee cckm ccma ccmb ccmc ccmm ccob ccoc ccom ccvo ceac ceba cec- ceca cece cecm ceco ceeb ceec ceem ceke cema cemb ceme cemm ceva cevo ckac ckbc ckbe ckck ckcm ckco ckcv ckem ckmo ckoa ckob ckoc ckom ckoo ckvo cmaa cmac cmba cmbc cmcc cmcv cmea cmec cmmb cmmc cmoc coak coba cobb cobe cobo coca coce cock coco cok- coka coke coko com- coma comb comc come comm como coob cook coom cova cove covo cvac cvca cvcc eaba eaca eacc eaec eama eame eaom eave ebac ebam ebba ebbc ebbo ebcc eboe eboo ecaa ecac ecam ecao ecbc ecbe ecca eccb eccc ecce eccm ecco ecem ecka ecko ecma eco- eeca eeea eeee eeka eeke eemo eeoc eeva eka- ekab ekam ekco ekeb ekek ekka ekma ekoa emac emae emam emba embe embo emcc emco emek emma emme eoka evac evae evea evoe evoo evvk kaaa kaab kaak kaam kaba kabb kabc kabe kabo kacb kacc kace kaco kacv kaeo kaka kakc kake kakk kakm kako kam- kama kamb kamc kame kamm kamo kaoa kaoc kaok kava kavb kave kavo kavv kbaa kbab kbac kbae kbak kbam kbba kbbb kbbc kbbe kbbk kbbm kbbo kbca kbcb kbce kbck kbco kbeb kbec kbee kbek kbeo kbev kbkb kbkk kbko kbkv kbmb kbmc kbme kbmo kboa kbob kboc