a-a a-b a-c aaa aab aac aae aah aak aao aav ab- aba abb abc abe abh abk abo abv ac- aca acb acc ace ach ack aco acv aea aeb aec aee aeh aek aeo aev aha ahb ahc ahe ahh ahk aho ahv aka akb akc ake akh akk ako akv aoa aob aoc aoe aoh aok aoo aov av- ava avb avc ave avh avk avo baa bab bac bae bah bak bao bav bba bbb bbc bbe bbh bbk bbo bca bcb bcc bce bch bck bco bcv be- bea beb bec bee beh bek beo bev bha bhb bhc bhe bhh bhk bho bhv bka bkb bkc bke bkk bko bkv boa bob boc boe boh bok boo bov bva bvb bvc bve bvh bvk bvo bvv c-- caa cab cac cae cah cak cao cav cba cbb cbc cbe cbh cbk cbo cbv cca ccb ccc cce cch cck cco ccv ce- cea ceb cec cee ceh cek ceo cev ch- cha chb chc che chh chk cho chv cka ckb ckc ckh cko co- coa cob coc coe coh cok coo cov cva cvb cvc cve cvh cvk cvo cvv eaa eab eac eae eah eak eao eav eba ebb ebc ebe ebh ebk ebo ebv ec- eca ecb ecc ece ech eck eco ecv eea eeb eec eee eek eeo eev eha ehb ehc ehe ehh eho ehv eka ekb ekc eke ekh eko ekv eo- eoa eob eoc eoe eoh eok eoo eva evb evc eve evh evo evv haa hab hac hae hah hak hao hav hba hbb hbc hbe hbh hbk hbo hbv hca hcb hcc hce hch hck hco hcv he- hea heb hec hee heh hek heo hev hha hhb hhc hhe hhh hhk hho hhv hka hkb hkh hkk hko hoa hob hoc hoe hoh hok hoo hov hv- hva hvb hvc hvk hvo hvv ka- kaa kab kac kae kah kak kao kav kba kbb kbc kbe kbh kbk kbo kca kcb kcc kce kch kck ke- kea keb kec kee keh kek keo kev kha khe khh khk kho khv kkb kkc kke kkh kkk kkv koa kob koc koe koh kok koo kva kvb kvh kvk kvo kvv oaa oab oac oae oah oak oao oav ob- oba obb obc obe obh obk obo obv oc- oca ocb occ och ock oco ocv oea oeb oec oee oeh oeo oha ohc ohe ohh oho oka okb okc oke okk oko oo- ooa oob ooc ooh ook ooo oov ov- ova ovb ovc ove ovh ovo ovv v-a v-e vaa vab vac vae vah vak vao vav vba vbc vbh vbk vbo vbv vca vcc vce vch vco vea veb vec vee veh vek veo vh- vha vhb vhc vhe vho vka vkb voa vob voc voe voh vok voo vov vva vvb vvc vvo vvv

-vac a-ak a-be a-ha a-ok aaaa aaab aaac aaae aaah aaav aaba aabb aabc aabh aaca aacb aacc aace aach aack aaco aacv aaea aaec aaev aaha aahk aaka aake aaoe aaoo aava abaa abab abac abae abak abb- abba abbb abbe abbo abca abcb abcc abch abec abee abha abho aboa abob aboh abok aboo abov abva acaa acab acac acae acba acca accc acce acch acco ace- acea acec aceh acek acev acha ache achh acho acke acoa acoe acoh acvv aeac aecb aeka aeva ahab ahac ahah ahha ahoa ahoe ahok ahva akaa akae akah akao akca akee akha akka akko akok aoah aoba aoca aoce avab avao avcc avce avco avea avec aveh aveo avva avvo baaa baah baak baba babb babe babo bac- baca bacc bace bach back baco baek baha baho bak- baka bake bakh bako baoh bava bave bbbb bbch bbeb bcaa bcbc bcca bccc bcec bche bcvo beah beak beav beba bebb bebe bebo beca bech beck beeb beek beka beke beko beo- beok bevo bhao bhca bhcc boab boac boak boba bobb bobe bobo boca boce boch bock boco boea boec boee boeo boha boho boka boke boko boob booc booe booh book bova bove bovo c-bo caaa caab caac caah caba cabe cabo cac- caca cacc cace cach cack caco caec caha cahe caka cake cava cave cavo cbac cbbc cbca cbcc cbce cbea cbec cbee cbha cbka cbko cbva cbvb cbve ccaa ccab ccac ccba ccbc ccca cccb cccc cccv ccee ccha cche ccob ccoc ccvo ceac ceba cec- ceca cece ceco ceeb ceec ceke ceva cevo chaa chab chac chae chah chak chao chav chca chce chch chea cheb chec chee cheh chek chev chha chka chkb choc choh chok choo chov chvo ckac ckbc ckbe ckch ckck ckco ckcv ckhv ckoa ckob ckoc ckoo ckvo coak coba cobb cobe cobh cobo coca coce coch cock coco coha coho cok- coka coke coko coob cooh cook cova cove covo cvac cvca cvcc eaba eabh eaca eacc each eaec eave ebac ebba ebbc ebbo ebcc eboe eboo ecaa ecac ecao ecbc ecbe ecca eccb eccc ecce ecco echa eche echo ecka ecko eco- eeca eeea eeee eeka eeke eeoc eeva ehaa ehav ehcc ehea eheh eka- ekab ekch ekco ekeb ekek ekho ekka ekoa eoka evac evae evah evea evoe evoo evvk haab haak haba habe habo hace hack haco haec haha haho haka hake hakk hako hava have hboc hcbc hcca hccb hccc hcch heah hebb hebe hebo heca hech heck heeb heek hehe heho heka heke heve hhaa hhhh hkcc hoac hoba hobe hobo hoca hoce hoch hock hoek hoha hohe hoho hoka hoke hoko hooe hook hova hove hovk hvac hvcc kaaa kaab kaak kaba kabb kabc kabe kabo kacb kacc kace kach kaco kacv kaeh kaeo kaha kahc kahe kaho kaka kakc kake kakh kakk kako kaoa kaoc kaok kava kavb kave kavh kavo kavv kbaa kbab kbac kbae kbak kbba kbbb kbbc kbbe kbbk kbbo kbca kbcb kbce kbch kbck kbco kbeb kbec kbee kbeh kbek kbeo kbev kbhb kbhc kbhe kbhh