-ic a-a a-b a-c a-i a-t aaa aab aac aai aan aar aat ab- aba abb abc abi abn abr abt ac- aca acb acc aci acn acr act ai- aia aib aic aii ain air ait an- ana anb anc ani ann anr ant ar- ara arb arc ari arn arr art at- ata atb atc ati atn atr att baa bab bac bai ban bar bat bba bbb bbc bbi bbn bbr bbt bca bcb bcc bci bcn bcr bct bi- bia bib bic bii bin bir bit bna bnb bnc bni bnn bnr bnt bra brb bri brn brr brt bta btb btc bti btn btr btt c-- caa cab cac cai can car cat cba cbb cbc cbi cbn cbr cbt cca ccb ccc cci ccn ccr cct ci- cia cib cic cii cin cir cit cn- cna cnb cnc cni cnn cnr cnt cra crb crc cri crn crr crt cta ctb ctc cti ctn ctr ctt ia- iaa iab iac iai ian iar iat iba ibb ibc ibi ibn ibr ibt ica icb icc ici icn icr ict iia iib iic iii iin iir iit in- ina inb inc ini inn inr int ir- ira irb irc iri irn irr irt ita itb itc iti itn itt n-i naa nab nac nai nan nar nat nba nbb nbc nbi nbn nbr nbt nca ncb ncc nci ncn ncr nct nia nib nic nii nin nir nit nna nnb nnc nni nnn nnt nra nrb nrc nri nrn nrr nrt nta ntb ntc nti ntn ntr ntt ra- raa rab rac rai ran rar rat rba rbb rbc rbi rbn rbr rbt rca rcb rcc rci rcn rcr rct ria rib ric rii rin rir rit rna rnb rnc rni rnn rnr rnt rra rrb rrc rri rrn rrr rrt rta rtb rtc rti rtn rtr rtt taa tab tac tai tan tar tat tba tbb tbc tbi tbn tbr tbt tca tcb tcc tci tcn tcr tct tia tib tic tii tin tir tit tna tnb tnc tni tnn tnr tnt tra trb trc tri trn trr trt tta ttb ttc tti ttn ttr ttt

-ana a-ii aaaa aaab aaac aaai aaan aaar aaba aabb aabc aabi aabt aaca aacb aacc aaci aacn aacr aact aaib aaic aaii aain aana aani aara aarc aari aart aata aatc aatt abaa abab abac abai aban abar abat abb- abba abbb abbi abbr abbt abca abcb abcc abci abcn abcr abct abia abib abic abin abir abit abra abrc abri abta ac-t acaa acab acac acai acan acar acat acba acca accc acci acct aci- acia acic acin acir acr- acra acrc acri acrr acta actc acti actt aiai aian aiba aibn aica aicc aicr aiia aiib aiic aiin aiir aina ainc aini aint aira airi airt aita aiti aitr aitt ana- anaa anab anac anai anan anar anat anba anbb anbi anca ancc anct ania anib anic anin anir anit anna annb anni annt anrc anri ant- anta anti antr antt arab arac arai aran arar arat arba arbi arc- arca arci arct aria arib arii arin arit arna arni arnt arr- arra arrc arri arrr arrt arta artc arti artr at-t ataa atab atac atai atan atar atat atca atcc atcr atia atic atin atit atna atra atrc atri atrn atta atti attn attr ba-i baaa baan baar baat baba babb babi babr bac- baca bacc baci bacn bact baia baib baic bain bair bait bana banc bani bann banr bant bar- bara barb barc bari barn barr bart bata batc bati batn batt bbbb bbci bbin bbrc bcaa bcar bcat bcbc bcca bccc bcci bcia bcit bcra bctc bian biar biat biba bibb bibi bica bicc bici biin bin- bina binc bini binn bint bira birb biri birn birr birt bita bitc bitt bnai bnib bnin bnrr bnta brab brac brai bran brat brca brcb bria bric brin brit brna brrr brtc btaa btan btcc btrc btrt bttb caaa caab caac caan caat caba cabi cac- caca cacc caci cacr caia caib caic cain cair cait cana canc cani cann cant cara carb carc cari carn carr cart cat- cata catb catc cati catt cbac cbar cbat cbbc cbca cbcc cbcn cbcr cbct cbia cbir cbit cbna cbrn cbrt cbta cbtc ccaa ccab ccac ccai ccar ccat ccba ccbc ccbn ccca cccb cccc ccci ccic ccii ccir ccna ccnb ccnc ccni ccnr ccra ccrc ccri ccrt cctb cctc cctt ciaa cian ciar ciat ciba cibc cibi cica cicc cici cicr cict ciia ciii ciit cin- cina cinc cini cint cira cirb circ ciri cirr cirt cita citb citi citt cnaa cnac cnbc cnci cnib cnic cnna cnrc cnrr cnrt cnta cntc cntr crab crac crai cran crar crat crbc crca crcc crcr cria crib cric crin crit crna crrt crtc ctab ctan ctba ctbi ctca ctia ctic ctrc ctrn ctta cttn iaaa iaac iaai iaat iaba iaca iacc iacr iact iaia iain iana iara iarc iart iata iatc iati ibac iban ibar ibat ibca ibia ibra ibrc ibri ibtb ibtc icaa icab icac icai ican icar icat icbc icca iccb iccc icci iccn iccr icct icnb icnc icra icrc icrr icrt icta iiac iica iiii iiit iira iirc iita iitr iitt inab inac inai inan inar inat inba inca incb inci incr inia init inna inni innr inra inri inta inti intn intr irac irai iran irar irca ircc iri- iria iric irin irna irra irrc irri irta irti itaa itac itai itan itar itat itia itic itin itra itri itta n-ii naaa naab naac naai naan naar naat naba nabc nabi naca nacc naci naia naib naic nain nair nait nan- nana nanb nani nann nant nara narc nari narn narr nart nata natc nati natt nbaa nbar nbbc nbca nbcc nbci nbia nbic nbti ncaa ncac ncar ncat ncba ncbc ncbi ncca nccc ncci nccn nccr ncct ncia ncit ncna ncnc ncra ncrc ncri ncta nctc nctr niab niac nian nibi nica