-ic a-a a-b a-c a-i a-t aaa aab aac aai aan aao aap aas aat ab- aba abb abc abi abn abo abp abs abt ac- aca acb acc aci acn aco acp acs act ai- aia aib aic aii ain aio aip ais ait an- ana anb anc ani ann ano anp ans ant aoa aob aoc aoi aon aoo aop aos aot ap- apa apb apc api apn apo app aps apt as- asa asb asc asi asn aso asp ass ast at- ata atb atc ati atn ato atp ats att b-p baa bab bac bai ban bao bap bas bat bba bbb bbc bbi bbn bbo bbp bbs bbt bca bcb bcc bci bcn bco bcp bcs bct bi- bia bib bic bii bin bio bip bis bit bna bnb bnc bni bnn bno bnp bns bnt boa bob boc boi bon boo bop bos bot bpa bpb bpc bpi bpn bpo bpp bps bpt bsa bsb bsc bsi bsn bso bsp bss bst bta btb btc bti btn bto btp bts btt c-- caa cab cac cai can cao cap cas cat cba cbb cbc cbi cbn cbo cbp cbs cbt cca ccb ccc cci ccn cco ccp ccs cct ci- cia cib cic cii cin cio cip cis cit cn- cna cnb cnc cni cnn cno cnp cns cnt co- coa cob coc coi con coo cop cos cot cpa cpb cpc cpi cpn cpo cpp cps cpt csa csb csc csi csn cso csp css cst cta ctb ctc cti ctn cto ctp cts ctt ia- iaa iab iac iai ian iao iap ias iat iba ibb ibc ibi ibn ibo ibp ibs ibt ica icb icc ici icn ico icp ics ict iia iib iic iii iin iio iip iis iit in- ina inb inc ini inn ino inp ins int io- ioa iob ioc ioi ion ioo iop ios iot ipa ipb ipc ipi ipn ipo ipp ips ipt is- isa isb isc isi isn iso isp iss ist ita itb itc iti itn ito itp its itt n-i naa nab nac nai nan nao nap nas nat nba nbb nbc nbi nbn nbo nbp nbs nbt nca ncb ncc nci ncn nco ncp ncs nct nia nib nic nii nin nio nip nis nit nna nnb nnc nni nnn nno nnp nns nnt no- noa nob noc noi non noo nop nos not npa npb npc npi npn npo npp nps npt nsa nsb nsc nsi nsn nso nsp nss nst nta ntb ntc nti ntn nto ntp nts ntt o-i oaa oab oac oai oan oao oap oas oat ob- oba obb obc obi obn obo obp obs obt oc- oca ocb occ oci ocn oco ocp ocs oct oia oib oic oii oin oio oip ois oit on- ona onb onc oni onn ono onp ons ont oo- ooa oob ooc ooi oon ooo oop oos oot op- opa opb opc opi opn opo opp ops opt os- osa osb osc osi osn oso osp oss ost ot- ota otb otc oti otn oto otp ots ott p-p paa pab pac pai pan pao pap pas pat pba pbb pbc pbi pbn pbo pbp pbs pbt pca pcb pcc pci pcn pco pcp pcs pct pia pib pic pii pin pio pip pis pit pn- pna pnb pnc pni pnn pno pnp pns pnt poa pob poc poi pon poo pop pos pot ppa ppb ppc ppi ppn ppo ppp pps ppt ps- psa psb psc psi psn pso psp pss pst pt- pta ptb ptc pti ptn pto ptp pts ptt saa sab sac sai san sao sap sas sat sba sbb sbc sbi sbn sbo sbp sbs sbt sca scb scc sci scn sco scp scs sct sia sib sic sii sin sio sip sis sit sna snb snc sni snn sno snp sns snt soa sob soc soi son soo sop sos sot spa spb spc spi spn spo spp sps spt ss- ssa ssb ssc ssi ssn sso ssp sss sst sta stb stc sti stn sto stp sts stt taa tab tac tai tan tao tap tas tat tba tbb tbc tbi tbn tbo tbp tbs tbt tca tcb tcc tci tcn tco tcp tcs tct tia tib tic tii tin tio tip tis tit tna tnb tnc tni tnn tno tnp tns tnt to- toa tob toc toi ton too top tos tot tpa tpb tpc tpi tpn tpo tpp tps tpt tsa tsb tsc tsi tsn tso tsp tss tst tta ttb ttc tti ttn tto ttp tts ttt

-ana a-ii aaaa aaab aaac aaai aaan aaap aaas aaba aabb aabc aabi aabp aabt aaca aacb aacc aaci aacn aaco aacp aacs aact aaib aaic aaii aain aais aana aani aanp aaon aaoo aapa aapc aapi aapo aaps aapt aasa aasc aasi aass aast aata aatc aatt abaa abab abac abai aban abap abas abat abb- abba abbb abbi abbo abbs abbt abca abcb abcc abci abcn abcp abcs abct abia abib abic abin abis abit aboa abob abon aboo abos abot abpa abpc abpi abpn abpp abps abs- absa absi absp abss abta abts ac-t acaa acab acac acai acan acap acas acat acba acca accc acci acco accp accs acct aci- acia acic acin acip acis acoa acon acop acos acot acpa acpi acps acpt acsa acsc acsi acss acst acta actc acti acto acts actt aiai aian aias aiba aibn aibo aica aicc aicp aics aiia aiib aiic aiin aina ainc aini aino ains aint aioc aioi aion aipa aipi aips aisa aisb aisi aiso aist aita aiti aits aitt ana- anaa anab anac anai anan anao anap anas anat anba anbb anbi anbo anca ancc anco anct ania anib anic anin anio anip anis anit anna annb anni anno anns annt ano- anoa anon anos anp- anpa anpi anpp ansa ansi anso ansp ant- anta anti anto ants antt aoba aoca aocs aonb aono aont aopo aosp