-ic a-a a-b a-c a-i aaa aab aac aad aai aak aap aas ab- aba abb abc abd abi abk abp abs ac- aca acb acc acd aci ack acp acs ad- ada adb adc add adi adk adp ads ai- aia aib aic aid aii aik aip ais aka akb akc akd aki akk akp aks ap- apa apb apc apd api apk app aps as- asa asb asc asd asi ask asp ass b-p baa bab bac bad bai bak bap bas bba bbb bbc bbd bbi bbk bbp bbs bca bcb bcc bcd bci bck bcp bcs bda bdb bdc bdd bdi bdk bdp bds bi- bia bib bic bid bii bik bip bis bka bkb bkc bkk bkp bks bpa bpb bpc bpd bpi bpp bps bsa bsb bsc bsd bsi bsk bsp bss c-- caa cab cac cad cai cak cap cas cba cbb cbc cbd cbi cbk cbp cbs cca ccb ccc ccd cci cck ccp ccs cda cdb cdc cdd cdi cdk cdp cds ci- cia cib cic cid cii cik cip cis cka ckb ckc ckd cki cks cpa cpb cpc cpd cpi cpk cpp cps csa csb csc csd csi csk csp css daa dab dac dad dai dak dap das dba dbb dbc dbd dbi dbk dbp dbs dca dcb dcc dcd dci dck dcp dcs dda ddb ddc ddd ddi ddk ddp dds di- dia dib dic did dii dik dip dis dka dkb dkc dki dkk dkp dks dpa dpb dpc dpd dpi dpk dpp dps dsa dsb dsc dsd dsi dsk dsp dss i-d ia- iaa iab iac iad iai iap ias iba ibb ibc ibd ibi ibk ibp ibs ica icb icc icd ici ick icp ics ida idb idc idd idi idk idp ids iia iib iic iid iii iip iis ika ikb ikc iki ikk iks ipa ipb ipc ipd ipi ipp ips is- isa isb isc isd isi isk isp iss ka- kaa kab kac kad kai kak kap kas kba kbb kbc kbd kbi kbk kbp kbs kca kcb kcc kcd kci kck kcp kcs kda kdb kdc kdk kdp kds kia kib kic kid kii kik kip kis kkb kkc kki kkk kkp kks kpa kpc kpd kpi kpk kpp kps ksa ksb ksc ksd ksi ksk ksp kss p-p paa pab pac pad pai pak pap pas pba pbb pbc pbd pbi pbk pbp pbs pca pcb pcc pcd pci pck pcp pcs pda pdb pdc pdd pdi pdk pdp pds pia pib pic pid pii pik pip pis pka pkb pkc pkd pki pkp pks ppa ppb ppc ppd ppi ppk ppp pps ps- psa psb psc psd psi psk psp pss saa sab sac sad sai sak sap sas sba sbb sbc sbd sbi sbk sbp sbs sca scb scc scd sci sck scp scs sda sdb sdc sdd sdi sdk sdp sds sia sib sic sid sii sik sip sis sk- ska skb skc skd ski skk skp sks spa spb spc spd spi spk spp sps ss- ssa ssb ssc ssd ssi ssk ssp sss

a-ak a-ii aaaa aaab aaac aaad aaai aaap aaas aaba aabb aabc aabd aabi aabp aaca aacb aacc aacd aaci aack aacp aacs aada aadc aadi aads aaib aaic aaii aais aaka aapa aapc aapi aaps aasa aasc aasd aasi aass abaa abab abac abad abai abak abap abas abb- abba abbb abbi abbs abca abcb abcc abcd abci abcp abcs abda abdi abia abib abic abid abis abpa abpc abpd abpi abpp abps abs- absa absd absi absp abss acaa acab acac acad acai acap acas acba acca accc accd acci accp accs acda acdb acdc acdi acdp acds aci- acia acic acid acip acis ackd acks acpa acpd acpi acps acsa acsc acsd acsi acss adaa adab adac adad adai adak adap adas adba adbc adbi adcc adci adcs adda addc addd addi adds adia adib adic adik adip adis adki adp- adps adsa adsi adss aiai aias aiba aica aicc aicd aicp aics aida aidb aidc aidi aids aiia aiib aiic aiid aika aiki aiks aipa aipi aips aisa aisb aisd aisi aisk akaa akai akap akas akca akia akid akik akis akka akki aksa aksi apac apai apak apap apas apba apbs apca apcb apcc apcd apcs apda apdd apds api- apia apic apid apip apis appa appc appd apps apsa apsi apss asaa asab asac asad asai asak asap asas asba asc- asca ascb ascc asci ascp asda asds asia asic asii asik asip asis aska aski asks aspa aspc aspd aspi asps assa assc assd assi assk assp asss ba-i baaa baad baak baas baba babb babi babs bac- baca bacc baci back bacs bada badb badd badi bads baia baib baic baid baik bais bak- baka baki baks bapa bapc bapi bapp baps basa basc basi bask bass bbad bbas bbbb bbbs bbci bbdd bcaa bcap bcas bcbc bcbp bcbs bcca bccc bcci bccs bcda bcds bcia bcis bcpp bcps bcsa bcsc bcss bdbc bddc bdii bdpc bdsd biad biak biap bias biba bibb bibi bibs bica bicc bici bick bics bida bidi bids biis bipa bipp bips bis- bisa bisc bisd bisk bisp biss bksp bpai bpcp bpda bpsa bsaa bsac bsap bsas bsbd bsci bscp bscs bsic bspp bssc bssd c-cd caaa caab caac caap caas caba cabi cabs cac- caca cacc caci cack cada cadc cadd cadi cads caia caib caic caid caik caip cais caka capa capb capc capd capi capp caps casa casb casc casd casi cask casp cass cbac cbbc cbbs cbca cbcc cbcp cbcs cbdb cbdc cbdi cbds cbia cbid cbka cbpc cbpp cbsa cbsc cbsi ccaa ccab ccac ccad ccai ccap ccas ccba ccbc ccca cccb cccc ccci cccp cccs ccdc ccdi ccdp ccds ccic ccid ccii ccip ccis ccpa ccpp ccps ccsa ccsd ccsi ccsp ccss cdaa cdac cdad cdai cdba cdcs cdda cddb cdic cdii cdis cdps cdss ciaa ciak cias ciba cibc cibi