-al -er a-a a-b a-c aaa aab aac aae aag aah aal aam aar ab- aba abb abc abe abg abh abl abm abr ac- aca acb acc ace acg ach acl acm acr aea aeb aec aee aeg aeh ael aem aer ag- aga agb agc age agg agh agl agm agr aha ahb ahc ahe ahg ahh ahl ahm ahr al- ala alb alc ale alg alh all alm alr ama amb amc ame amg amh aml amm amr ar- ara arb arc are arg arh arl arm arr baa bab bac bae bag bah bal bam bar bba bbb bbc bbe bbg bbh bbl bbm bbr bca bcb bcc bce bcg bch bcl bcm bcr be- bea beb bec bee beg beh bel bem ber bga bgb bgc bge bgg bgh bgl bgm bgr bha bhb bhc bhe bhg bhh bhl bhm bhr bla blb blc ble blg blh bll blm blr bma bmb bmc bme bmg bmh bml bmm bmr bra brb bre brg brh brl brm brr c-- caa cab cac cae cag cah cal cam car cba cbb cbc cbe cbg cbh cbl cbm cbr cca ccb ccc cce ccg cch ccl ccm ccr ce- cea ceb cec cee ceg ceh cel cem cer cga cgb cgc cge cgg cgh cgl cgm cgr ch- cha chb chc che chg chh chl chm chr cl- cla clb clc cle clg clh cll clm clr cma cmb cmc cme cmg cmh cml cmm cmr cra crb crc cre crg crh crl crm crr eaa eab eac eae eag eah eal eam ear eba ebb ebc ebe ebg ebh ebl ebm ebr ec- eca ecb ecc ece ecg ech ecl ecm ecr eea eeb eec eee eeg eel eem eer ega egb egc ege egg egh egl egm egr eha ehb ehc ehe ehg ehh ehl ehm ehr ela elb elc ele elg elh ell elm elr em- ema emb emc eme emg emh eml emm emr era erb erc ere erg erh erl erm err gaa gab gac gae gag gah gal gam gar gba gbc gbe gbg gbh gbl gbm gbr gca gcb gcc gce gcg gch gcl gcm gcr ge- gea geb gec gee geg geh gel gem ger gga ggb ggc ggg ggh ggm ggr gha ghb ghc ghe ghg ghh ghl ghr gla glb glc gle glg glh gll glm glr gma gmb gmc gme gmg gmh gml gmm gmr gra grb grc gre grg grh grl grm grr haa hab hac hae hag hah hal ham har hba hbb hbc hbe hbg hbh hbl hbm hbr hca hcb hcc hce hcg hch hcl hcm hcr he- hea heb hec hee heg heh hel hem her hga hgb hgc hge hgg hgh hgl hgm hgr hha hhb hhc hhe hhg hhh hhl hhm hhr hla hlb hlc hle hlg hlh hll hlm hlr hma hmb hmc hme hmg hmh hml hmm hmr hr- hra hrb hrc hre hrg hrh hrl hrm hrr la- laa lab lac lae lag lah lal lam lar lba lbb lbc lbe lbg lbh lbl lbm lbr lca lcb lcc lce lcg lch lcl lcm lcr lea leb lec lee leg leh lel lem ler lga lgb lgc lge lgg lgh lgl lgm lgr lha lhb lhc lhh lhr lla llb llc lle llg lll llm llr lma lmb lmc lme lmg lmh lml lmm lmr lra lrb lrc lrg lrh lrm lrr m-r maa mab mac mae mag mah mal mam mar mba mbb mbc mbe mbg mbh mbl mbm mbr mc- mca mcb mcc mce mcg mch mcl mcm mcr mea meb mec mee meg meh mel mem mer mga mgb mgc mge mgh mgl mgm mgr mha mhc mhg mhh mhl mhm mhr mla mlb mlc mle mlg mlh mll mlm mlr mma mmb mmc mme mmg mmh mml mmm mmr mra mrb mrc mre mrg mrh mrl mrm mrr ra- raa rab rac rae rag rah ral ram rar rba rbb rbc rbe rbg rbh rbl rbm rbr rca rcb rcc rce rcg rch rcl rcm rcr re- rea reb rec ree reg reh rel rem rer rga rgb rgc rge rgg rgh rgr rh- rha rhb rhc rhe rhg rhh rhl rhm rhr rla rlc rle rlg rlh rll rlm rlr rma rmb rmc rme rmg rmh rml rmm rmr rra rrb rrc rrg rrh rrl rrm rrr