-ic a-a a-b a-c a-i aaa aab aac aaf aai aam aar aas aau ab- aba abb abc abf abi abm abr abs abu ac- aca acb acc acf aci acm acr acs acu af- afa afb afc aff afi afm afr afs afu ai- aia aib aic aif aii aim air ais aiu ama amb amc amf ami amm amr ams amu ar- ara arb arc arf ari arm arr ars aru as- asa asb asc asf asi asm asr ass asu au- aua aub auc auf aui aum aur aus b-u baa bab bac baf bai bam bar bas bau bba bbb bbc bbf bbi bbm bbr bbs bbu bca bcb bcc bcf bci bcm bcr bcs bcu bfa bfb bfc bff bfi bfm bfr bfs bfu bi- bia bib bic bif bii bim bir bis biu bma bmb bmc bmf bmi bmm bmr bms bmu bra brb brf bri brm brr brs bru bsa bsb bsc bsf bsi bsm bsr bss bsu bua bub buc buf bui bum bur bus buu c-- caa cab cac caf cai cam car cas cau cba cbb cbc cbf cbi cbm cbr cbs cbu cca ccb ccc ccf cci ccm ccr ccs ccu cfa cfb cfc cff cfi cfm cfr cfs cfu ci- cia cib cic cif cii cim cir cis ciu cma cmb cmc cmf cmi cmm cmr cms cmu cra crb crc crf cri crm crr crs cru csa csb csc csf csi csm csr css csu cua cub cuc cuf cui cum cur cus cuu faa fab fac faf fai fam far fas fau fba fbb fbc fbf fbi fbm fbr fbs fbu fca fcb fcc fcf fci fcm fcr fcs fcu ffa ffc fff ffi ffm ffr ffs ffu fia fib fic fif fii fim fir fis fiu fma fmb fmc fmf fmi fmm fmr fms fmu fra frb frc frf fri frm frr frs fru fsa fsb fsc fsf fsi fsm fsr fss fsu fua fub fuf fui fum fur fus fuu i-f ia- iaa iab iac iaf iai iam iar ias iau iba ibb ibc ibf ibi ibm ibr ibs ibu ica icb icc icf ici icm icr ics icu ifa ifb ifc iff ifi ifm ifr ifs ifu iia iib iic iif iii iim iir iis iiu im- ima imb imc imf imi imm ims imu ir- ira irb irc irf iri irm irr irs iru is- isa isb isc isf isi ism isr iss isu iu- iua iub iuc iui ium iur ius m-f m-r maa mab mac maf mai mam mar mas mau mba mbb mbc mbf mbi mbm mbr mbs mbu mc- mca mcb mcc mcf mci mcm mcr mcs mcu mfa mfb mfc mff mfi mfm mfr mfs mfu mi- mia mib mic mif mii mim mir mis miu mma mmb mmc mmf mmi mmm mmr mms mmu mra mrb mrc mrf mri mrm mrr mrs mru msa msb msc msf msi msm msr mss msu mua mub muc muf mui mum mur mus muu ra- raa rab rac raf rai ram rar ras rau rba rbb rbc rbf rbi rbm rbr rbs rbu rca rcb rcc rcf rci rcm rcr rcs rcu rfa rfb rfc rff rfi rfm rfr rfs rfu ria rib ric rif rii rim rir ris rma rmb rmc rmf rmi rmm rmr rms rra rrb rrc rrf rri rrm rrr rrs rru rsa rsb rsc rsf rsi rsm rsr rss rsu rua rub ruc ruf rui rum rur rus ruu saa sab sac saf sai sam sar sas sau sba sbb sbc sbf sbi sbm sbr sbs sbu sca scb scc scf sci scm scr scs scu sfa sfb sfc sff sfi sfm sfr sfs sfu sia sib sic sif sii sim sir sis siu sma smb smc smf smi smm smr sms smu sr- sra srb src srf sri srm srr srs ss- ssa ssb ssc ssf ssi ssm ssr sss ssu sua sub suc suf sui sum sur sus suu ua- uaa uab uac uaf uai uam uar uas uau uba ubb ubc ubf ubi ubr ubs ubu uca ucb ucc ucf uci ucm ucr ucs ucu ufa ufc uff ufi ufm ufr ufs ufu uia uib uic uif uii uim uir uis uiu um- uma umb umc umf umi umm umr ums umu ur- ura urb urc urf uri urm urr urs uru usa usb usc usf usi usm usr uss usu uua uuc uum uur uus uuu

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