-ic a-a a-b a-c a-i a-t aaa aab aac aai aak aam aar aat ab- aba abb abc abi abk abm abr abt ac- aca acb acc aci ack acm acr act ai- aia aib aic aii aik aim air ait aka akb akc aki akk akm akr ama amb amc ami amk amm amr amt ar- ara arb arc ari ark arm arr art at- ata atb atc ati atm atr att baa bab bac bai bak bam bar bat bba bbb bbc bbi bbk bbm bbr bbt bca bcb bcc bci bck bcm bcr bct bi- bia bib bic bii bik bim bir bit bka bkb bkc bkk bkm bkr bkt bma bmb bmc bmi bmk bmm bmr bmt bra brb bri brk brm brr brt bta btb btc bti btk btm btr btt c-- caa cab cac cai cak cam car cat cba cbb cbc cbi cbk cbm cbr cbt cca ccb ccc cci cck ccm ccr cct ci- cia cib cic cii cik cim cir cit cka ckb ckc cki ckm ckt cma cmb cmc cmi cmk cmm cmr cmt cra crb crc cri crk crm crr crt cta ctb ctc cti ctk ctm ctr ctt ia- iaa iab iac iai iam iar iat iba ibb ibc ibi ibk ibm ibr ibt ica icb icc ici ick icm icr ict iia iib iic iii iim iir iit ika ikb ikc iki ikk ikr ikt im- ima imb imc imi imm imt ir- ira irb irc iri irk irm irr irt ita itb itc iti itk itm itt k-t ka- kaa kab kac kai kak kam kar kat kba kbb kbc kbi kbk kbm kbr kca kcb kcc kci kck kcm kcr kct kia kib kic kii kik kim kir kit kkb kkc kki kkk kkm kkr kkt kma kmb kmc kmi kmk kmm kmt kra krc kri krk krr krt kta ktb ktc ktk ktm ktr ktt m-r maa mab mac mai mak mam mar mat mba mbb mbc mbi mbk mbm mbr mbt mc- mca mcb mcc mci mck mcm mcr mct mi- mia mib mic mii mik mim mir mit mka mkb mkc mkk mkm mkr mkt mma mmb mmc mmi mmk mmm mmr mmt mra mrb mrc mri mrk mrm mrr mrt mta mtb mtc mti mtk mtm mtr mtt ra- raa rab rac rai rak ram rar rat rba rbb rbc rbi rbk rbm rbr rbt rca rcb rcc rci rcm rcr rct ria rib ric rii rik rim rir rit rkb rkc rkk rkm rkt rma rmb rmc rmi rmm rmr rmt rra rrb rrc rri rrk rrm rrr rrt rta rtb rtc rti rtk rtm rtr rtt taa tab tac tai tak tam tar tat tba tbb tbc tbi tbk tbm tbr tbt tca tcb tcc tci tck tcm tcr tct tia tib tic tii tik tim tir tit tka tkb tkc tkk tkm tkr tkt tma tmb tmc tmi tmk tmm tmr tmt tra trb trc tri trk trm trr trt tta ttb ttc tti ttk ttm ttr ttt

a-ak a-ii aaaa aaab aaac aaai aaam aaar aaba aabb aabc aabi aabm aabt aaca aacb aacc aaci aack aacm aacr aact aaib aaic aaii aaka aama aamb aamc aami aamr aara aarc aari aarm aart aata aatc aatk aatt abaa abab abac abai abak abam abar abat abb- abba abbb abbi abbr abbt abca abcb abcc abci abcr abct abia abib abic abim abir abit abma abmb abmc abmt abra abrc abri abta ac-t acaa acab acac acai acar acat acba acca accc acci accm acct aci- acia acic acim acir acma acmc acmi acr- acra acrc acri acrm acrr acta actc acti actt aiai aiba aica aicc aicr aiia aiib aiic aiir aika aiki aimc aimi aimm aira airi airt aita aiti aitr aitt akaa akai akam akar akca akia akik akim akir akka akki akr- akra amaa amac amai amam amar amat amb- amba ambi ambr amca amcc amia amib amic amii amik amir amit amka amm- amma ammi amra amrc amri amta amtc amti amtk arab arac arai arak aram arar arat arba arbi arc- arca arci arcm arct aria arib arii arik arim arit arka arki arma armc armi armm armt arr- arra arrc arri arrk arrr arrt arta artc arti artr at-t ataa atab atac atai atak atar atat atca atcc atck atcr atia atic atik atim atit atka atkt atm- atma atra atrc atri atrk atrm atta atti attr ba-i baaa baak baam baar baat baba babb babi babm babr bac- baca bacc baci back bact baia baib baic baik bair bait bak- baka baki bakr bakt bama bamb bamc bami bamm bar- bara barb barc bari bark barm barr bart bata batc bati batt bbbb bbci bbcm bbrc bcaa bcam bcar bcat bcbc bcca bccc bcci bccm bcia bcit bcma bcra bctc biak biar biat biba bibb bibi bica bicc bici bick bima bira birb biri birk birr birt bita bitc bitt bmaa bmci bmic bmir bmmi bmtc brab brac brai brak bram brat brca brcb bria bric brik brim brit brka brkb brmc brrm brrr brtc btaa btcc btrc btrt bttb caaa caab caac caam caat caba cabi cac- caca cacc caci cack cacm cacr caia caib caic caik caim cair cait caka cama camb camc cami camk camm camt cara carb carc cari cark carm carr cart cat- cata catb catc cati catm catt cbac cbar cbat cbbc cbca cbcc cbcm cbcr cbct cbia cbir cbit cbka cbkm cbkr cbrm cbrt cbta cbtc ccaa ccab ccac ccai ccam ccar ccat ccba ccbc ccca cccb cccc ccci cccm ccic ccii ccim ccir cckm ccma ccmb ccmc ccmm ccra ccrc ccri ccrt cctb cctc cctt ciaa ciak ciam ciar ciat ciba cibc cibi cica cicc cici cicr cict ciia ciii ciit cika cikr cima cimb cimi cimm cimr cira cirb circ ciri cirk cirm cirr cirt cita citb citi citt ckac ckat ckbc ckbi ckck ckcm ckrc ckrm cktb cmaa cmac cmba