a-a a-b a-i aaa aab aag aai aam aar aas ab- aba abb abg abi abm abr abs ag- aga agb agg agi agm agr ags ai- aia aib aig aii aim air ais ama amb amg ami amm amr ams ar- ara arb arg ari arm arr ars as- asa asb asg asi asm asr ass baa bab bag bai bam bar bas bba bbb bbg bbi bbm bbr bbs bga bgb bgg bgi bgm bgr bgs bi- bia bib big bii bim bir bis bma bmb bmg bmi bmm bmr bms bra brb brg bri brm brr brs bsa bsb bsg bsi bsm bsr bss gaa gab gag gai gam gar gas gba gbg gbi gbm gbr gbs gga ggb ggg ggi ggm ggr ggs gia gib gig gii gim gir gis gma gmb gmg gmi gmm gmr gms gra grb grg gri grm grr grs gsa gsb gsg gsi gsm gsr gss ia- iaa iab iag iai iam iar ias iba ibb ibg ibi ibm ibr ibs iga igb igg igi igm igr igs iia iib iii iim iir iis im- ima imb img imi imm ims ir- ira irb irg iri irm irr irs is- isa isb isg isi ism isr iss m-r maa mab mag mai mam mar mas mba mbb mbg mbi mbm mbr mbs mga mgb mgi mgm mgr mgs mi- mia mib mig mii mim mir mis mma mmb mmg mmi mmm mmr mms mra mrb mrg mri mrm mrr mrs msa msb msg msi msm msr mss ra- raa rab rag rai ram rar ras rba rbb rbg rbi rbm rbr rbs rga rgb rgg rgi rgr rgs ria rib rig rii rim rir ris rma rmb rmg rmi rmm rmr rms rra rrb rrg rri rrm rrr rrs rsa rsb rsg rsi rsm rsr rss saa sab sag sai sam sar sas sba sbb sbg sbi sbm sbr sbs sga sgb sgg sgi sgm sgr sgs sia sib sig sii sim sir sis sma smb smg smi smm smr sms sr- sra srb srg sri srm srr srs ss- ssa ssb ssg ssi ssm ssr sss