-ic a-a a-b a-c a-i a-t aaa aab aac aae aag aai aak aan aao aap aas aat ab- aba abb abc abe abg abi abk abn abo abp abs abt ac- aca acb acc ace acg aci ack acn aco acp acs act aea aeb aec aee aeg aei aek aen aeo aep aes aet ag- aga agb agc age agg agi agk agn ago agp ags agt ai- aia aib aic aie aig aii aik ain aio aip ais ait aka akb akc ake akg aki akk akn ako akp aks an- ana anb anc ane ang ani ank ann ano anp ans ant aoa aob aoc aoe aog aoi aok aon aoo aop aos aot ap- apa apb apc ape apg api apk apn apo app aps apt as- asa asb asc ase asg asi ask asn aso asp ass ast at- ata atb atc ate atg ati atn ato atp ats att b-p baa bab bac bae bag bai bak ban bao bap bas bat bba bbb bbc bbe bbg bbi bbk bbn bbo bbp bbs bbt bca bcb bcc bce bcg bci bck bcn bco bcp bcs bct be- bea beb bec bee beg bei bek ben beo bep bes bet bga bgb bgc bge bgg bgi bgk bgn bgo bgp bgs bgt bi- bia bib bic bie big bii bik bin bio bip bis bit bka bkb bkc bke bkg bkk bkn bko bkp bks bkt bna bnb bnc bne bng bni bnk bnn bno bnp bns bnt boa bob boc boe bog boi bok bon boo bop bos bot bpa bpb bpc bpe bpg bpi bpn bpo bpp bps bpt bsa bsb bsc bse bsg bsi bsk bsn bso bsp bss bst bta btb btc bte btg bti btk btn bto btp bts btt c-- caa cab cac cae cag cai cak can cao cap cas cat cba cbb cbc cbe cbg cbi cbk cbn cbo cbp cbs cbt cca ccb ccc cce ccg cci cck ccn cco ccp ccs cct ce- cea ceb cec cee ceg cei cek cen ceo cep ces cet cga cgb cgc cge cgg cgi cgn cgo cgp cgs cgt ci- cia cib cic cie cig cii cik cin cio cip cis cit cka ckb ckc cki cko cks ckt cn- cna cnb cnc cne cng cni cnn cno cnp cns cnt co- coa cob coc coe cog coi cok con coo cop cos cot cpa cpb cpc cpe cpg cpi cpk cpn cpo cpp cps cpt csa csb csc cse csg csi csk csn cso csp css cst cta ctb ctc cte ctg cti ctk ctn cto ctp cts ctt eaa eab eac eae eag eai eak ean eao eap eas eat eba ebb ebc ebe ebg ebi ebk ebn ebo ebp ebs ebt ec- eca ecb ecc ece ecg eci eck ecn eco ecs ect eea eeb eec eee eeg eek een eeo eep ees eet ega egb egc ege egg egi egn ego egp egs egt eia eib eic eie eig eii eik ein eio eip eis eit eka ekb ekc eke ekg eki eko ekp eks ekt en- ena enb enc ene eng eni enk enn eno enp ens ent eo- eoa eob eoc eoe eog eoi eok eon eoo eop eos eot ep- epa epb epc epe epg epi epn epo epp eps ept es- esa esb esc ese esg esi esk esn eso esp ess est eta etb etc ete etg eti etk etn eto etp ets ett g-p gaa gab gac gae gag gai gak gan gao gap gas gat gba gbc gbe gbg gbi gbk gbn gbo gbp gbs gbt gca gcb gcc gce gcg gci gck gcn gco gcp gcs gct ge- gea geb gec gee geg gei gek gen geo gep ges get gga ggb ggc ggg ggi ggn ggo ggp ggs ggt gia gib gic gie gig gii gik gin gio gip gis git gka gkb gkn gko gkp gks gkt gna gnb gnc gne gni gnn gno gnp gns gnt goa gob goc goe gog goi gok gon goo gop gos got gpa gpb gpc gpe gpg gpi gpk gpn gpo gpp gps gpt gsa gsb gsc gse gsg gsi gsk gsn gso gsp gss gst gta gtb gtc gte gtg gti gtk gtn gto gtp gts gtt ia- iaa iab iac iae iag iai ian iao iap ias iat iba ibb ibc ibe ibg ibi ibk ibn ibo ibp ibs ibt ica icb icc ice icg ici ick icn ico icp ics ict ie- iea iec iee ieg iei iek ien iep ies iet iga igb igc ige igg igi igk ign igo igp igs igt iia iib iic iie iii iin iio iip iis iit ika ikb ikc ike iki ikk iko iks ikt in- ina inb inc ine ing ini ink inn ino inp ins int io- ioa iob ioc ioe iog ioi ion ioo iop ios iot ipa ipb ipc ipe ipg ipi ipn ipo ipp ips ipt is- isa isb isc ise isg isi isk isn iso isp iss ist ita itb itc ite itg iti itk itn ito itp its itt k-t ka- kaa kab kac kae kag kai kak kan kao kap kas kat kba kbb kbc kbe kbi kbk kbn kbo kbp kbs kca kcb kcc kce kcg kci kck kcn kcp kcs kct ke- kea keb kec kee keg kei kek ken keo kep kes ket kga kgb kgc kgi kgo kgp kgs kia kib kic kie kig kii kik kin kio kip kis kit kkb kkc kke kki kkk kkn kkp kks kkt kn- kna knc kne kng kni knk knn kno knp knt koa kob koc koe kog koi kok kon koo kop kos kot kpa kpc kpe kpi kpk kpn kpo kpp kps kpt ksa ksb ksc kse ksg ksi ksk ksn kso ksp kss kst kta ktb ktc kte ktg ktk ktn kto ktp kts ktt n-i naa nab nac nae nag nai