-er -ic a-a a-b a-c a-i aaa aab aac aae aag aah aai aar aas ab- aba abb abc abe abg abh abi abr abs ac- aca acb acc ace acg ach aci acr acs aea aeb aec aee aeg aeh aei aer aes ag- aga agb agc age agg agh agi agr ags aha ahb ahc ahe ahg ahh ahi ahr ahs ai- aia aib aic aie aig aih aii air ais ar- ara arb arc are arg arh ari arr ars as- asa asb asc ase asg ash asi asr ass baa bab bac bae bag bah bai bar bas bba bbb bbc bbe bbg bbh bbi bbr bbs bca bcb bcc bce bcg bch bci bcr bcs be- bea beb bec bee beg beh bei ber bes bga bgb bgc bge bgg bgh bgi bgr bgs bha bhb bhc bhe bhg bhh bhi bhr bhs bi- bia bib bic bie big bih bii bir bis bra brb bre brg brh bri brr brs bsa bsb bsc bse bsg bsh bsi bsr bss c-- caa cab cac cae cag cah cai car cas cba cbb cbc cbe cbg cbh cbi cbr cbs cca ccb ccc cce ccg cch cci ccr ccs ce- cea ceb cec cee ceg ceh cei cer ces cga cgb cgc cge cgg cgh cgi cgr cgs ch- cha chb chc che chg chh chi chr chs ci- cia cib cic cie cig cih cii cir cis cra crb crc cre crg crh cri crr crs csa csb csc cse csg csh csi csr css eaa eab eac eae eag eah eai ear eas eba ebb ebc ebe ebg ebh ebi ebr ebs ec- eca ecb ecc ece ecg ech eci ecr ecs eea eeb eec eee eeg eer ees ega egb egc ege egg egh egi egr egs eha ehb ehc ehe ehg ehh ehi ehr ehs eia eib eic eie eig eii eir eis era erb erc ere erg erh eri err ers es- esa esb esc ese esg esh esi esr ess gaa gab gac gae gag gah gai gar gas gba gbc gbe gbg gbh gbi gbr gbs gca gcb gcc gce gcg gch gci gcr gcs ge- gea geb gec gee geg geh gei ger ges gga ggb ggc ggg ggh ggi ggr ggs gha ghb ghc ghe ghg ghh ghi ghr ghs gia gib gic gie gig gih gii gir gis gra grb grc gre grg grh gri grr grs gsa gsb gsc gse gsg gsi gsr gss h-i haa hab hac hae hag hah hai har has hba hbb hbc hbe hbg hbh hbi hbr hbs hca hcb hcc hce hcg hch hci hcr hcs he- hea heb hec hee heg heh hei her hes hga hgb hgc hge hgg hgh hgi hgr hgs hha hhb hhc hhe hhg hhh hhi hhr hhs hia hib hic hie hig hih hii hir his hr- hra hrb hrc hre hrg hrh hri hrr hrs hsa hsb hsc hse hsg hsh hsi hsr hss ia- iaa iab iac iae iag iah iai iar ias iba ibb ibc ibe ibg ibh ibi ibr ibs ica icb icc ice icg ich ici icr ics ie- iea iec iee ieg iei ier ies iga igb igc ige igg igh igi igr igs iha ihb ihc ihe ihg ihh ihi ihr ihs iia iib iic iie iih iii iir iis ir- ira irb irc ire irg iri irr irs is- isa isb isc ise isg ish isi isr iss ra- raa rab rac rae rag rah rai rar ras rba rbb rbc rbe rbg rbh rbi rbr rbs rca rcb rcc rce rcg rch rci rcr rcs re- rea reb rec ree reg reh rei rer res rga rgb rgc rge rgg rgh rgi rgr rgs rh- rha rhb rhc rhe rhg rhh rhi rhr rhs ria rib ric rie rig rih rii rir ris rra rrb rrc rrg rrh rri rrr rrs rsa rsb rsc rse rsg rsh rsi rsr rss saa sab sac sae sag sah sai sar sas sba sbb sbc sbe sbg sbh sbi sbr sbs sca scb scc sce scg sch sci scr scs se- sea seb sec see seg seh sei ser ses sga sgb sgc sge sgg sgh sgi sgr sgs sh- sha shb shc she shg shh shi shr shs sia sib sic sie sig sih sii sir sis sr- sra srb src sre srg srh sri srr srs ss- ssa ssb ssc sse ssg ssh ssi ssr sss

-ase a-be a-ha a-ii aaaa aaab aaac aaae aaah aaai aaar aaas aaba aabb aabc aabh aabi aaca aacb aacc aace aach aaci aacr aacs aaea aaec aaes aage aagh aaha aahs aaib aaic aaii aais aara aarc aare aari aars aasa aasc aase aasi aass abaa abab abac abae abag abai abar abas abb- abba abbb abbe abbi abbr abbs abca abcb abcc abch abci abcr abcs abec abee aber abes abha abhi abhr abhs abia abib abic abie abig abir abis abra abrc abri abrs abs- absa abse absi abss acaa acab acac acae acag acai acar acas acba acca accc acce acch acci accs ace- acea acec aceh acer aces acga acgi acgr acgs acha ache achh achi achr achs aci- acia acic acie acir acis acr- acra acrc acre acri acrr acrs acsa acsc acse acsi acss aeac aeas aebi aebs aecb aeci aeer aega aer- aera aerc aeri aers aesc aess agac agag agai agar agas agba agca agcc agce agea agee agei ager ages agga agge aggi agha aghe aghs agia agib agic agie agig agii agir agis agra agre agri agsa agsg ahab ahac ahah ahai ahar ahas ahha ahhs ahir ahis ahra ahrc ahre ahrr ahrs ahsa ahse ahss aiai aias aiba aica aicc aice aich aicr aics aiea aiee aiga aiha aihs aiia aiib aiic aiir aira aire airh airi airs aisa aisb aise aisg aish aisi aisr arab arac arae arag arah arai arar aras arba arbe arbh