-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aai aam aan aap aar aat ab- aba abb abc abe abi abm abn abp abr abt ac- aca acb acc ace aci acm acn acp acr act aea aeb aec aee aei aem aen aep aer aet ai- aia aib aic aie aii aim ain aip air ait ama amb amc ame ami amm amn amp amr amt an- ana anb anc ane ani anm ann anp anr ant ap- apa apb apc ape api apm apn app apr apt ar- ara arb arc are ari arm arn arp arr art at- ata atb atc ate ati atm atn atp atr att b-p baa bab bac bae bai bam ban bap bar bat bba bbb bbc bbe bbi bbm bbn bbp bbr bbt bca bcb bcc bce bci bcm bcn bcp bcr bct be- bea beb bec bee bei bem ben bep ber bet bi- bia bib bic bie bii bim bin bip bir bit bma bmb bmc bme bmi bmm bmn bmp bmr bmt bna bnb bnc bne bni bnn bnp bnr bnt bpa bpb bpc bpe bpi bpm bpn bpp bpr bpt bra brb bre bri brm brn brp brr brt bta btb btc bte bti btm btn btp btr btt c-- caa cab cac cae cai cam can cap car cat cba cbb cbc cbe cbi cbm cbn cbp cbr cbt cca ccb ccc cce cci ccm ccn ccp ccr cct ce- cea ceb cec cee cei cem cen cep cer cet ci- cia cib cic cie cii cim cin cip cir cit cma cmb cmc cme cmi cmm cmn cmp cmr cmt cn- cna cnb cnc cne cni cnm cnn cnp cnr cnt cpa cpb cpc cpe cpi cpm cpn cpp cpr cpt cra crb crc cre cri crm crn crp crr crt cta ctb ctc cte cti ctm ctn ctp ctr ctt eaa eab eac eae eai eam ean eap ear eat eba ebb ebc ebe ebi ebm ebn ebp ebr ebt ec- eca ecb ecc ece eci ecm ecn ecr ect eea eeb eec eee eem een eep eer eet eia eib eic eie eii eim ein eip eir eit em- ema emb emc eme emi emm emn emp emr emt en- ena enb enc ene eni enm enn enp enr ent ep- epa epb epc epe epi epm epn epp epr ept era erb erc ere eri erm ern erp err ert eta etb etc ete eti etm etn etp etr ett ia- iaa iab iac iae iai iam ian iap iar iat iba ibb ibc ibe ibi ibm ibn ibp ibr ibt ica icb icc ice ici icm icn icp icr ict ie- iea iec iee iei iem ien iep ier iet iia iib iic iie iii iim iin iip iir iit im- ima imb imc ime imi imm imn imp imt in- ina inb inc ine ini inm inn inp inr int ipa ipb ipc ipe ipi ipm ipn ipp ipr ipt ir- ira irb irc ire iri irm irn irp irr irt ita itb itc ite iti itm itn itp itt m-r maa mab mac mae mai mam man map mar mat mba mbb mbc mbe mbi mbm mbp mbr mbt mc- mca mcb mcc mce mci mcm mcn mcp mcr mct mea meb mec mee mei mem men mep mer met mi- mia mib mic mie mii mim min mip mir mit mma mmb mmc mme mmi mmm mmn mmp mmr mmt mna mnb mnc mne mni mnm mnn mnp mnr mnt mpa mpb mpc mpe mpi mpm mpn mpp mpr mpt mra mrb mrc mre mri mrm mrn mrp mrr mrt mta mtb mtc mte mti mtm mtn mtp mtr mtt n-i naa nab nac nae nai nam nan nap nar nat nba nbb nbc nbe nbi nbm nbn nbp nbr nbt nca ncb ncc nce nci ncm ncn ncp ncr nct ne- nea neb nec nee nei nem nen nep ner net nia nib nic nie nii nim nin nip nir nit nma nmb nmc nme nmi nmm nmn nmp nmr nmt nna nnb nnc nne nni nnm nnn nnp nnt npa npb npc npe npi npm npn npp npr npt nra nrb nrc nre nri nrm nrn nrp nrr nrt nta ntb ntc nte nti ntm ntn ntp ntr ntt p-p paa pab pac pae pai pam pan pap par pat pba pbb pbc pbe pbi pbm pbn pbp pbr pbt pca pcb pcc pce pci pcm pcn pcp pcr pct pea peb pec pee pei pem pen pep per pet pia pib pic pie pii pim pin pip pir pit pma pmb pmc pme pmi pmm pmn pmp pmr pmt pn- pna pnb pnc pne pni pnm pnn pnp pnr pnt ppa ppb ppc ppe ppi ppm ppn ppp ppr ppt pra prb prc pre pri prm prn prp prr prt pt- pta ptb ptc pte pti ptm ptn ptp ptr ptt ra- raa rab rac rae rai ram ran rap rar rat rba rbb rbc rbe rbi rbm rbn rbp rbr rbt rca rcb rcc rce rci rcm rcn rcp rcr rct re- rea reb rec ree rei rem ren rep rer ret ria rib ric rie rii rim rin rip rir rit rma rmb rmc rme rmi rmm rmn rmp rmr rmt rna rnb rnc rni rnm rnn rnp rnr rnt rpa rpb rpc rpe rpi rpm rpn rpp rpr rpt rra rrb rrc rri rrm rrn rrp rrr rrt rta rtb rtc rte rti rtm rtn rtp rtr rtt taa tab tac tae tai tam tan tap tar tat tba tbb tbc tbe tbi tbm tbn tbp tbr tbt tca tcb tcc tce tci tcm tcn tcp tcr tct te- tea teb tec tee tei tem ten tep ter tet tia tib tic tie tii tim tin tip tir tit tma tmb tmc tme tmi tmm tmn tmp tmr tmt tna tnb tnc tne tni tnm tnn tnp tnr tnt