-ic a-a a-b a-c a-i a-t aaa aab aac aae aag aai aak aao aat ab- aba abb abc abe abg abi abk abo abt ac- aca acb acc ace acg aci ack aco act aea aeb aec aee aeg aei aek aeo aet ag- aga agb agc age agg agi agk ago agt ai- aia aib aic aie aig aii aik aio ait aka akb akc ake akg aki akk ako aoa aob aoc aoe aog aoi aok aoo aot at- ata atb atc ate atg ati ato att baa bab bac bae bag bai bak bao bat bba bbb bbc bbe bbg bbi bbk bbo bbt bca bcb bcc bce bcg bci bck bco bct be- bea beb bec bee beg bei bek beo bet bga bgb bgc bge bgg bgi bgk bgo bgt bi- bia bib bic bie big bii bik bio bit bka bkb bkc bke bkg bkk bko bkt boa bob boc boe bog boi bok boo bot bta btb btc bte btg bti btk bto btt c-- caa cab cac cae cag cai cak cao cat cba cbb cbc cbe cbg cbi cbk cbo cbt cca ccb ccc cce ccg cci cck cco cct ce- cea ceb cec cee ceg cei cek ceo cet cga cgb cgc cge cgg cgi cgo cgt ci- cia cib cic cie cig cii cik cio cit cka ckb ckc cki cko ckt co- coa cob coc coe cog coi cok coo cot cta ctb ctc cte ctg cti ctk cto ctt eaa eab eac eae eag eai eak eao eat eba ebb ebc ebe ebg ebi ebk ebo ebt ec- eca ecb ecc ece ecg eci eck eco ect eea eeb eec eee eeg eek eeo eet ega egb egc ege egg egi ego egt eia eib eic eie eig eii eik eio eit eka ekb ekc eke ekg eki eko ekt eo- eoa eob eoc eoe eog eoi eok eoo eot eta etb etc ete etg eti etk eto ett gaa gab gac gae gag gai gak gao gat gba gbc gbe gbg gbi gbk gbo gbt gca gcb gcc gce gcg gci gck gco gct ge- gea geb gec gee geg gei gek geo get gga ggb ggc ggg ggi ggo ggt gia gib gic gie gig gii gik gio git gka gkb gko gkt goa gob goc goe gog goi gok goo got gta gtb gtc gte gtg gti gtk gto gtt ia- iaa iab iac iae iag iai iao iat iba ibb ibc ibe ibg ibi ibk ibo ibt ica icb icc ice icg ici ick ico ict ie- iea iec iee ieg iei iek iet iga igb igc ige igg igi igk igo igt iia iib iic iie iii iio iit ika ikb ikc ike iki ikk iko ikt io- ioa iob ioc ioe iog ioi ioo iot ita itb itc ite itg iti itk ito itt k-t ka- kaa kab kac kae kag kai kak kao kat kba kbb kbc kbe kbi kbk kbo kca kcb kcc kce kcg kci kck kct ke- kea keb kec kee keg kei kek keo ket kga kgb kgc kgi kgo kia kib kic kie kig kii kik kio kit kkb kkc kke kki kkk kkt koa kob koc koe kog koi kok koo kot kta ktb ktc kte ktg ktk kto ktt o-i oaa oab oac oae oag oai oak oao oat ob- oba obb obc obe obg obi obk obo obt oc- oca ocb occ ocg oci ock oco oct oea oeb oec oee oeg oei oeo oet oga ogc oge ogg ogi ogo ogt oia oib oic oie oii oik oio oit oka okb okc oke okg oki okk oko oo- ooa oob ooc oog ooi ook ooo oot ot- ota otb otc ote otg oti otk oto ott taa tab tac tae tag tai tak tao tat tba tbb tbc tbe tbg tbi tbk tbo tbt tca tcb tcc tce tcg tci tck tco tct te- tea teb tec tee teg tei tek teo tet tga tgb tgc tge tgg tgi tgk tgo tgt tia tib tic tie tig tii tik tio tit tka tkb tkc tke tkg tkk tko tkt to- toa tob toc toe tog toi tok too tot tta ttb ttc tte ttg tti ttk tto ttt

a-ak a-be a-ii a-ok aaaa aaab aaac aaae aaai aaba aabb aabc aabi aabt aaca aacb aacc aace aaci aack aaco aact aaea aaec aage aaib aaic aaii aaka aake aaoe aaoo aata aatc aatk aatt abaa abab abac abae abag abai abak abat abb- abba abbb abbe abbi abbo abbt abca abcb abcc abci abct abec abee abet abia abib abic abie abig abit aboa abob abok aboo abot abta ac-t acaa acab acac acae acag acai acat acba acca accc acce acci acco acct ace- acea acec acek acet acga acgi aci- acia acic acie acke acoa acoe acog acot acta actc acte actg acti acto actt aeac aebi aecb aeci aect aega aeio aeit aeka aeta aetc aeto aett ag-o agac agag agai agao agat agba agbo agca agcc agce agco agct agea agee agei aget agga agge aggi agia agib agic agie agig agii agio agit agob agog agoo agot agta agte aiai aiba aibo aica aicc aice aiea aiee aiet aiga aigo aiia aiib aiic aika aike aiki aiko aioc aioi aita aite aiti aitt akaa akae akai akao akca akee akeg akia akie akik akio akka akki akko akok akot akte aoba aoca aoce aoki aotc at-t ataa atab atac atae atai atak atat atca atcc atck atco atea atec atee atei ateo atgo atia atic atie atik atit atka atkt atob atoc atoe atoi atok atot atta atte atti atto ba-i baaa baak baat baba babb babe babi babo bac- baca bacc bace baci back baco bact baek baga bage bagg bagi bago bagt baia baib baic baie baig baik baio bait bak- baka bake baki bako bakt bata batc bate bati bato batt bbbb