-al -er -ic a-a a-b a-c a-i aaa aab aac aae aag aah aai aal aar ab- aba abb abc abe abg abh abi abl abr ac- aca acb acc ace acg ach aci acl acr aea aeb aec aee aeg aeh aei ael aer ag- aga agb agc age agg agh agi agl agr aha ahb ahc ahe ahg ahh ahi ahl ahr ai- aia aib aic aie aig aih aii ail air al- ala alb alc ale alg alh ali all alr ar- ara arb arc are arg arh ari arl arr baa bab bac bae bag bah bai bal bar bba bbb bbc bbe bbg bbh bbi bbl bbr bca bcb bcc bce bcg bch bci bcl bcr be- bea beb bec bee beg beh bei bel ber bga bgb bgc bge bgg bgh bgi bgl bgr bha bhb bhc bhe bhg bhh bhi bhl bhr bi- bia bib bic bie big bih bii bil bir bla blb blc ble blg blh bli bll blr bra brb bre brg brh bri brl brr c-- caa cab cac cae cag cah cai cal car cba cbb cbc cbe cbg cbh cbi cbl cbr cca ccb ccc cce ccg cch cci ccl ccr ce- cea ceb cec cee ceg ceh cei cel cer cga cgb cgc cge cgg cgh cgi cgl cgr ch- cha chb chc che chg chh chi chl chr ci- cia cib cic cie cig cih cii cil cir cl- cla clb clc cle clg clh cli cll clr cra crb crc cre crg crh cri crl crr eaa eab eac eae eag eah eai eal ear eba ebb ebc ebe ebg ebh ebi ebl ebr ec- eca ecb ecc ece ecg ech eci ecl ecr eea eeb eec eee eeg eel eer ega egb egc ege egg egh egi egl egr eha ehb ehc ehe ehg ehh ehi ehl ehr eia eib eic eie eig eii eil eir ela elb elc ele elg elh eli ell elr era erb erc ere erg erh eri erl err gaa gab gac gae gag gah gai gal gar gba gbc gbe gbg gbh gbi gbl gbr gca gcb gcc gce gcg gch gci gcl gcr ge- gea geb gec gee geg geh gei gel ger gga ggb ggc ggg ggh ggi ggr gha ghb ghc ghe ghg ghh ghi ghl ghr gia gib gic gie gig gih gii gil gir gla glb glc gle glg glh gli gll glr gra grb grc gre grg grh gri grl grr h-i haa hab hac hae hag hah hai hal har hba hbb hbc hbe hbg hbh hbi hbl hbr hca hcb hcc hce hcg hch hci hcl hcr he- hea heb hec hee heg heh hei hel her hga hgb hgc hge hgg hgh hgi hgl hgr hha hhb hhc hhe hhg hhh hhi hhl hhr hia hib hic hie hig hih hii hil hir hla hlb hlc hle hlg hlh hli hll hlr hr- hra hrb hrc hre hrg hrh hri hrl hrr ia- iaa iab iac iae iag iah iai ial iar iba ibb ibc ibe ibg ibh ibi ibl ibr ica icb icc ice icg ich ici icl icr ie- iea iec iee ieg iei iel ier iga igb igc ige igg igh igi igl igr iha ihb ihc ihe ihg ihh ihi ihl ihr iia iib iic iie iih iii iil iir il- ila ilb ilc ile ilg ilh ili ill ilr ir- ira irb irc ire irg iri irl irr la- laa lab lac lae lag lah lai lal lar lba lbb lbc lbe lbg lbh lbi lbl lbr lca lcb lcc lce lcg lch lci lcl lcr lea leb lec lee leg leh lei lel ler lga lgb lgc lge lgg lgh lgi lgl lgr lha lhb lhc lhh lhi lhr lia lib lic lie lig lih lii lil lir lla llb llc lle llg lli lll llr lra lrb lrc lrg lrh lri lrr ra- raa rab rac rae rag rah rai ral rar rba rbb rbc rbe rbg rbh rbi rbl rbr rca rcb rcc rce rcg rch rci rcl rcr re- rea reb rec ree reg reh rei rel rer rga rgb rgc rge rgg rgh rgi rgr rh- rha rhb rhc rhe rhg rhh rhi rhl rhr ria rib ric rie rig rih rii ril rir rla rlc rle rlg rlh rli rll rlr rra rrb rrc rrg rrh rri rrl rrr