-al -er -ic a-a a-b a-c a-i a-t aaa aab aac aae aai aal aap aar aat ab- aba abb abc abe abi abl abp abr abt ac- aca acb acc ace aci acl acp acr act aea aeb aec aee aei ael aep aer aet ai- aia aib aic aie aii ail aip air ait al- ala alb alc ale ali all alp alr alt ap- apa apb apc ape api apl app apr apt ar- ara arb arc are ari arl arp arr art at- ata atb atc ate ati atl atp atr att b-p baa bab bac bae bai bal bap bar bat bba bbb bbc bbe bbi bbl bbp bbr bbt bca bcb bcc bce bci bcl bcp bcr bct be- bea beb bec bee bei bel bep ber bet bi- bia bib bic bie bii bil bip bir bit bla blb blc ble bli bll blp blr blt bpa bpb bpc bpe bpi bpl bpp bpr bpt bra brb bre bri brl brp brr brt bta btb btc bte bti btl btp btr btt c-- caa cab cac cae cai cal cap car cat cba cbb cbc cbe cbi cbl cbp cbr cbt cca ccb ccc cce cci ccl ccp ccr cct ce- cea ceb cec cee cei cel cep cer cet ci- cia cib cic cie cii cil cip cir cit cl- cla clb clc cle cli cll clp clr clt cpa cpb cpc cpe cpi cpl cpp cpr cpt cra crb crc cre cri crl crp crr crt cta ctb ctc cte cti ctl ctp ctr ctt eaa eab eac eae eai eal eap ear eat eba ebb ebc ebe ebi ebl ebp ebr ebt ec- eca ecb ecc ece eci ecl ecr ect eea eeb eec eee eel eep eer eet eia eib eic eie eii eil eip eir eit ela elb elc ele eli ell elp elr elt ep- epa epb epc epe epi epl epp epr ept era erb erc ere eri erl erp err ert eta etb etc ete eti etl etp etr ett ia- iaa iab iac iae iai ial iap iar iat iba ibb ibc ibe ibi ibl ibp ibr ibt ica icb icc ice ici icl icp icr ict ie- iea iec iee iei iel iep ier iet iia iib iic iie iii iil iip iir iit il- ila ilb ilc ile ili ill ilp ilr ilt ipa ipb ipc ipe ipi ipl ipp ipr ipt ir- ira irb irc ire iri irl irp irr irt ita itb itc ite iti itl itp itt l-p la- laa lab lac lae lai lal lap lar lat lba lbb lbc lbe lbi lbl lbp lbr lbt lca lcb lcc lce lci lcl lcp lcr lct lea leb lec lee lei lel lep ler let lia lib lic lie lii lil lip lir lit lla llb llc lle lli lll llp llr llt lpa lpb lpc lpe lpi lpl lpp lpr lpt lra lrb lrc lri lrp lrr lrt lta ltb ltc lte lti ltl ltp ltr ltt p-p paa pab pac pae pai pal pap par pat pba pbb pbc pbe pbi pbl pbp pbr pbt pca pcb pcc pce pci pcl pcp pcr pct pea peb pec pee pei pel pep per pet pia pib pic pie pii pil pip pir pit pla plb plc ple pli pll plp plr plt ppa ppb ppc ppe ppi ppl ppp ppr ppt pra prb prc pre pri prl prp prr prt pt- pta ptb ptc pte pti ptl ptp ptr ptt ra- raa rab rac rae rai ral rap rar rat rba rbb rbc rbe rbi rbl rbp rbr rbt rca rcb rcc rce rci rcl rcp rcr rct re- rea reb rec ree rei rel rep rer ret ria rib ric rie rii ril rip rir rit rla rlc rle rli rll rlp rlr rlt rpa rpb rpc rpe rpi rpl rpp rpr rpt rra rrb rrc rri rrl rrp rrr rrt rta rtb rtc rte rti rtl rtp rtr rtt taa tab tac tae tai tal tap tar tat tba tbb tbc tbe tbi tbl tbp tbr tbt tca tcb tcc tce tci tcl tcp tcr tct te- tea teb tec tee tei tel tep ter tet tia tib tic tie tii til tip tir tit tla tlc tle tli tll tlp tlr tlt tpa tpb tpc tpe tpi tpl tpp tpr tpt tra trb trc tre tri trl trp trr trt tta ttb ttc tte tti ttl ttp ttr ttt