-ic a-a a-b a-c a-i a-t aaa aab aac aai aak aao aat aav ab- aba abb abc abi abk abo abt abv ac- aca acb acc aci ack aco act acv ai- aia aib aic aii aik aio ait aiv aka akb akc aki akk ako akv aoa aob aoc aoi aok aoo aot aov at- ata atb atc ati ato att atv av- ava avb avc avi avk avo avt baa bab bac bai bak bao bat bav bba bbb bbc bbi bbk bbo bbt bca bcb bcc bci bck bco bct bcv bi- bia bib bic bii bik bio bit biv bka bkb bkc bkk bko bkt bkv boa bob boc boi bok boo bot bov bta btb btc bti btk bto btt btv bva bvb bvc bvi bvk bvo bvt bvv c-- caa cab cac cai cak cao cat cav cba cbb cbc cbi cbk cbo cbt cbv cca ccb ccc cci cck cco cct ccv ci- cia cib cic cii cik cio cit civ cka ckb ckc cki cko ckt co- coa cob coc coi cok coo cot cov cta ctb ctc cti ctk cto ctt ctv cva cvb cvc cvi cvk cvo cvt cvv i-v ia- iaa iab iac iai iao iat iav iba ibb ibc ibi ibk ibo ibt ibv ica icb icc ici ick ico ict icv iia iib iic iii iio iit ika ikb ikc iki ikk iko ikt ikv io- ioa iob ioc ioi ioo iot iov ita itb itc iti itk ito itt itv iva ivb ivc ivi ivo ivt ivv k-t ka- kaa kab kac kai kak kao kat kav kba kbb kbc kbi kbk kbo kca kcb kcc kci kck kct kia kib kic kii kik kio kit kiv kkb kkc kki kkk kkt kkv koa kob koc koi kok koo kot kta ktb ktc ktk kto ktt ktv kva kvb kvi kvk kvo kvv o-i oaa oab oac oai oak oao oat oav ob- oba obb obc obi obk obo obt obv oc- oca ocb occ oci ock oco oct ocv oia oib oic oii oik oio oit oiv oka okb okc oki okk oko oo- ooa oob ooc ooi ook ooo oot oov ot- ota otb otc oti otk oto ott otv ov- ova ovb ovc ovi ovo ovv taa tab tac tai tak tao tat tav tba tbb tbc tbi tbk tbo tbt tbv tca tcb tcc tci tck tco tct tcv tia tib tic tii tik tio tit tiv tka tkb tkc tkk tko tkt to- toa tob toc toi tok too tot tov tta ttb ttc tti ttk tto ttt ttv tva tvb tvc tvi tvk tvo tvt v-a vaa vab vac vai vak vao vat vav vba vbc vbi vbk vbo vbv vca vcc vci vco vct vi- via vib vic vii vik vio vit viv vka vkb vkt voa vob voc voi vok voo vot vov vta vtb vtc vti vtk vto vtt vtv vva vvb vvc vvi vvo vvt vvv

-vac a-ak a-ii a-iv a-ok aaaa aaab aaac aaai aaav aaba aabb aabc aabi aabt aaca aacb aacc aaci aack aaco aact aacv aaib aaic aaii aaka aaoo aata aatc aatk aatt aava abaa abab abac abai abak abat abb- abba abbb abbi abbo abbt abca abcb abcc abci abct abia abib abic abit aboa abob abok aboo abot abov abta abva ac-t acaa acab acac acai acat acba acca accc acci acco acct aci- acia acic acoa acot acta actc acti acto actt actv acvv aiai aiba aibo aica aicc aiia aiib aiic aika aiki aiko aioc aioi aita aiti aitt aiva akaa akai akao akca akia akik akio akka akki akko akok akot aktv aoba aoca aoki aotc at-t ataa atab atac atai atak atat atca atcc atck atco atia atic atik atit atka atkt atkv atob atoc atoi atok atot atta atti atto atvi avab avao avat avcc avco avia avic avik avio avit aviv avkt avot avva avvo ba-i baaa baak baat baba babb babi babo bac- baca bacc baci back baco bact baia baib baic baik baio bait bak- baka baki bako bakt bata batc bati bato batt bava bavi bbbb bbci bcaa bcat bcbc bcca bccc bcci bcia bcit bctc bcvo biak biao biat biba bibb bibi bibo bica bicc bici bick bico biko bio- bioc bioi biot bita bitc bito bitt bivi boab boac boai boak boat boba bobb bobi bobo boca bock boco boi- boii boit boka boki boko boob booc book boot bota botb boti boto bott bova bovi bovo btaa btcc btob bttb btvi c-bo caaa caab caac caat caba cabi cabo cac- caca cacc caci cack caco caia caib caic caik caio cait caka caoi cat- cata catb catc cati cato catt catv cava cavi cavo cbac cbat cbbc cbca cbcc cbct cbia cbit cbka cbko cbot cbta cbtc cbtv cbva cbvb ccaa ccab ccac ccai ccat ccba ccbc ccca cccb cccc ccci cccv ccic ccii cciv ccob ccoc cctb cctc cctt cctv ccvi ccvo ciaa ciak ciao ciat ciba cibc cibi cibo cica cicc cici cico cict ciia ciii ciit cika ciko ciob cita citb citi cito citt citv civa civc civo ckac ckat ckbc ckbi ckck ckco ckcv ckoa ckob ckoc ckoi ckoo ckot cktb ckvo coai coak coat coba cobb cobi cobo coca cock coco coct coia coit cok- coka coko coob cook coot cota cotb cotc coti coto cott cova covo ctab ctba ctbi ctca ctia ctic ctot ctta ctvo ctvt cvac cvca cvcc cvii iaaa iaac iaai iaat iaba iaca iacc iact iaia iata iatc iati iava ibac ibat ibca ibia ibot ibtb ibtc icaa icab icac icai icao icat icbc icca iccb iccc icci icco icct icoc icta ictv iiac iica iiii iiio iiit iioi iioo iita iitt ikat ikki ikko ikoo ioba iobi ioci ioii ioio ioit ioko iooi iooo iota ioto itaa itac itai itak itat itia itic itko itoi itoo itta itto ivai ivak ivao ivbv ivic k-ci kaaa