a-a a-b a-i a-z aaa aab aai aam aar aas aau aaz ab- aba abb abi abm abr abs abu abz ai- aia aib aii aim air ais aiu aiz ama amb ami amm amr ams amu amz ar- ara arb ari arm arr ars aru arz as- asa asb asi asm asr ass asu asz au- aua aub aui aum aur aus auz az- aza azb azi azm azs azu azz b-u baa bab bai bam bar bas bau baz bba bbb bbi bbm bbr bbs bbu bi- bia bib bii bim bir bis biu biz bma bmb bmi bmm bmr bms bmu bmz bra brb bri brm brr brs bru brz bsa bsb bsi bsm bsr bss bsu bua bub bui bum bur bus buu buz bza bzr bzs bzu bzz ia- iaa iab iai iam iar ias iau iaz iba ibb ibi ibm ibr ibs ibu ibz iia iib iii iim iir iis iiu im- ima imb imi imm ims imu imz ir- ira irb iri irm irr irs iru is- isa isb isi ism isr iss isu iu- iua iub iui ium iur ius iuz iza izi izm izu izz m-r maa mab mai mam mar mas mau maz mba mbb mbi mbm mbr mbs mbu mi- mia mib mii mim mir mis miu miz mma mmb mmi mmm mmr mms mmu mmz mra mrb mri mrm mrr mrs mru mrz msa msb msi msm msr mss msu mua mub mui mum mur mus muu mza mzb mzi mzm ra- raa rab rai ram rar ras rau raz rba rbb rbi rbm rbr rbs rbu ria rib rii rim rir ris riz rma rmb rmi rmm rmr rms rra rrb rri rrm rrr rrs rru rsa rsb rsi rsm rsr rss rsu rua rub rui rum rur rus ruu ruz rza rzb rzm saa sab sai sam sar sas sau saz sba sbb sbi sbm sbr sbs sbu sia sib sii sim sir sis siu sma smb smi smm smr sms smu smz sr- sra srb sri srm srr srs ss- ssa ssb ssi ssm ssr sss ssu ssz sua sub sui sum sur sus suu suz sza szi szr szu ua- uaa uab uai uam uar uas uau uaz uba ubb ubi ubr ubs ubu uia uib uii uim uir uis uiu um- uma umb umi umm umr ums umu ur- ura urb uri urm urr urs uru urz usa usb usi usm usr uss usu usz uua uum uur uus uuu uza uzb uzi uzu zaa zab zai zam zar zas zaz zbb zbm zbr zbs zia zib zim zir zis ziz zma zmb zmm zms zrs zsa zsi zsm zsu zsz zub zui zum zur zus zuz zzr zzs zzz