-ic a-a a-b a-c a-i a-t aaa aab aac aag aai aam aao aar aat ab- aba abb abc abg abi abm abo abr abt ac- aca acb acc acg aci acm aco acr act ag- aga agb agc agg agi agm ago agr agt ai- aia aib aic aig aii aim aio air ait ama amb amc amg ami amm amo amr amt aoa aob aoc aog aoi aom aoo aor aot ar- ara arb arc arg ari arm aro arr art at- ata atb atc atg ati atm ato atr att baa bab bac bag bai bam bao bar bat bba bbb bbc bbg bbi bbm bbo bbr bbt bca bcb bcc bcg bci bcm bco bcr bct bga bgb bgc bgg bgi bgm bgo bgr bgt bi- bia bib bic big bii bim bio bir bit bma bmb bmc bmg bmi bmm bmo bmr bmt boa bob boc bog boi bom boo bor bot bra brb brg bri brm bro brr brt bta btb btc btg bti btm bto btr btt c-- caa cab cac cag cai cam cao car cat cba cbb cbc cbg cbi cbm cbo cbr cbt cca ccb ccc ccg cci ccm cco ccr cct cga cgb cgc cgg cgi cgm cgo cgr cgt ci- cia cib cic cig cii cim cio cir cit cma cmb cmc cmg cmi cmm cmo cmr cmt co- coa cob coc cog coi com coo cor cot cra crb crc crg cri crm cro crr crt cta ctb ctc ctg cti ctm cto ctr ctt gaa gab gac gag gai gam gao gar gat gba gbc gbg gbi gbm gbo gbr gbt gca gcb gcc gcg gci gcm gco gcr gct gga ggb ggc ggg ggi ggm ggo ggr ggt gia gib gic gig gii gim gio gir git gma gmb gmc gmg gmi gmm gmo gmr gmt goa gob goc gog goi gom goo gor got gra grb grc grg gri grm gro grr grt gta gtb gtc gtg gti gtm gto gtr gtt ia- iaa iab iac iag iai iam iao iar iat iba ibb ibc ibg ibi ibm ibo ibr ibt ica icb icc icg ici icm ico icr ict iga igb igc igg igi igm igo igr igt iia iib iic iii iim iio iir iit im- ima imb imc img imi imm imo imt io- ioa iob ioc iog ioi iom ioo ior iot ir- ira irb irc irg iri irm iro irr irt ita itb itc itg iti itm ito itt m-o m-r maa mab mac mag mai mam mao mar mat mba mbb mbc mbg mbi mbm mbo mbr mbt mc- mca mcb mcc mcg mci mcm mco mcr mct mga mgb mgc mgi mgm mgo mgr mgt mi- mia mib mic mig mii mim mio mir mit mma mmb mmc mmg mmi mmm mmo mmr mmt moa mob moc mog moi mom moo mor mot mra mrb mrc mrg mri mrm mro mrr mrt mta mtb mtc mtg mti mtm mto mtr mtt o-i oaa oab oac oag oai oam oao oar oat ob- oba obb obc obg obi obm obo obr obt oc- oca ocb occ ocg oci ocm oco ocr oct oga ogc ogg ogi ogo ogt oia oib oic oii oim oio oir oit om- oma omb omc omg omi omm omo omr omt oo- ooa oob ooc oog ooi oom ooo oor oot or- ora orb orc org ori orm oro orr ort ot- ota otb otc otg oti otm oto otr ott ra- raa rab rac rag rai ram rao rar rat rba rbb rbc rbg rbi rbm rbo rbr rbt rca rcb rcc rcg rci rcm rco rcr rct rga rgb rgc rgg rgi rgo rgr rgt ria rib ric rig rii rim rio rir rit rma rmb rmc rmg rmi rmm rmo rmr rmt roa rob roc rog roi rom roo ror rot rra rrb rrc rrg rri rrm rrr rrt rta rtb rtc rtg rti rtm rto rtr rtt taa tab tac tag tai tam tao tar tat tba tbb tbc tbg tbi tbm tbo tbr tbt tca tcb tcc tcg tci tcm tco tcr tct tga tgb tgc tgg tgi tgm tgo tgr tgt tia tib tic tig tii tim tio tir tit tma tmb tmc tmg tmi tmm tmo tmr tmt to- toa tob toc tog toi tom too tor tot tra trb trc trg tri trm tro trr trt tta ttb ttc ttg tti ttm tto ttr ttt

a-ii aaaa aaab aaac aaai aaam aaar aaba aabb aabc aabi aabm aabt aaca aacb aacc aaci aacm aaco aacr aact aaib aaic aaii aama aamb aamc aami aamo aamr aaoo aara aarc aari aarm aaro aart aata aatc aatt abaa abab abac abag abai abam abar abat abb- abba abbb abbi abbo abbr abbt abca abcb abcc abci abcr abct abia abib abic abig abim abir abit abma abmb abmc abmt aboa abob aboo abor abot abra abrc abri abro abta ac-t acaa acab acac acag acai acar acat acba acca accc acci accm acco acct acga acgi acgr aci- acia acic acim acir acma acmc acmg acmi acoa acog acom acor acot acr- acra acrc acri acrm acro acrr acta actc actg acti acto actt ag-o agac agag agai agam agao agar agat agba agbo agca agcc agco agct agga aggi agia agib agic agig agii agim agio agir agit agma agmc agob agog agoo agot agra agri agro agta agtr aiai aiba aibo aica aicc aicr aiga aigo aiia aiib aiic aiir aimc aimi aimm aimo aioc aioi aira airi airo airt aita aiti aitr aitt amaa amac amag amai amam amar amat amb- amba ambi ambo ambr amca amcc amco amga amia amib amic amii amir amit amm- amma ammi ammo amob amoc amog amoi amoo amor amot amra amrc amri amro amta amtc amti amto aoba aoca aogm aoma aomg aora aorb aort aotc arab arac arag arai aram arar arat arba arbi arc- arca