-al -er -ic a-a a-c a-i aaa aac aad aae aag aai aak aal aar ac- aca acc acd ace acg aci ack acl acr ad- ada adc add ade adg adi adk adl adr aea aec aed aee aeg aei aek ael aer ag- aga agc agd age agg agi agk agl agr ai- aia aic aid aie aig aii aik ail air aka akc akd ake akg aki akk akl akr al- ala alc ald ale alg ali alk all alr ar- ara arc ard are arg ari ark arl arr c-- caa cac cad cae cag cai cak cal car cca ccc ccd cce ccg cci cck ccl ccr cda cdc cdd cde cdg cdi cdk cdl cdr ce- cea cec ced cee ceg cei cek cel cer cga cgc cgd cge cgg cgi cgl cgr ci- cia cic cid cie cig cii cik cil cir cka ckc ckd cki cl- cla clc cld cle clg cli clk cll clr cra crc crd cre crg cri crk crl crr daa dac dad dae dag dai dak dal dar dca dcc dcd dce dcg dci dck dcl dcr dda ddc ddd dde ddg ddi ddk ddl ddr de- dea dec ded dee deg dei dek del der dga dgc dgd dge dgg dgi dgk dgl dgr di- dia dic did die dig dii dik dil dir dka dkc dke dkg dki dkk dkl dkr dl- dla dlc dld dle dlg dli dlk dll dlr dra drc drd dre drg dri drk drl drr eaa eac ead eae eag eai eak eal ear ec- eca ecc ecd ece ecg eci eck ecl ecr ed- eda edc edd ede edg edi edk edl edr eea eec eed eee eeg eek eel eer ega egc egd ege egg egi egl egr eia eic eid eie eig eii eik eil eir eka ekc ekd eke ekg eki ekl ekr ela elc eld ele elg eli elk ell elr era erc erd ere erg eri erk erl err g-d gaa gac gad gae gag gai gak gal gar gca gcc gcd gce gcg gci gck gcl gcr gda gdc gdd gde gdi gdk gdl gdr ge- gea gec ged gee geg gei gek gel ger gga ggc ggd ggg ggi ggr gia gic gid gie gig gii gik gil gir gka gkd gla glc gld gle glg gli glk gll glr gra grc grd gre grg gri grk grl grr i-d ia- iaa iac iad iae iag iai ial iar ica icc icd ice icg ici ick icl icr ida idc idd ide idg idi idk idl idr ie- iea iec ied iee ieg iei iek iel ier iga igc igd ige igg igi igk igl igr iia iic iid iie iii iil iir ika ikc ike iki ikk ikl ikr il- ila ilc ild ile ilg ili ilk ill ilr ir- ira irc ird ire irg iri irk irl irr ka- kaa kac kad kae kag kai kak kal kar kca kcc kcd kce kcg kci kck kcl kcr kda kdc kde kdg kdk kdl kdr ke- kea kec ked kee keg kei kek kel ker kga kgc kgd kgi kgl kia kic kid kie kig kii kik kil kir kkc kke kki kkk kkl kkr kl- kla klc kld klg kli klr kra krc krd krg kri krk krl krr la- laa lac lad lae lag lai lak lal lar lca lcc lcd lce lcg lci lck lcl lcr lda ldc ldd lde ldg ldi ldk ldl ldr lea lec led lee leg lei lek lel ler lga lgc lgd lge lgg lgi lgk lgl lgr lia lic lid lie lig lii lik lil lir lka lkg lkl lkr lla llc lld lle llg lli llk lll llr lra lrc lrd lrg lri lrk lrr ra- raa rac rad rae rag rai rak ral rar rca rcc rcd rce rcg rci rcl rcr rda rdc rdd rde rdg rdi rdl rdr re- rea rec red ree reg rei rek rel rer rga rgc rgd rge rgg rgi rgk rgr ria ric rid rie rig rii rik ril rir rkc rke rkg rkk rla rlc rld rle rlg rli rll rlr rra rrc rrd rrg rri rrk rrl rrr