-er a-a a-c aaa aac aae aaf aaj aam aao aar aau ac- aca acc ace acf acj acm aco acr acu aea aec aee aef aej aem aeo aer aeu af- afa afc afe aff afj afm afo afr afu aja ajc aje ajf ajj ajm ajo ajr aju ama amc ame amf amm amo amr amu aoa aoc aoe aof aoj aom aoo aor aou ar- ara arc are arf arj arm aro arr aru au- aua auc aue auf auj aum auo aur c-- c-j caa cac cae caf caj cam cao car cau cca ccc cce ccf ccj ccm cco ccr ccu ce- cea cec cee cef cej cem ceo cer ceu cfa cfc cfe cff cfm cfo cfr cfu cja cjc cjf cjr cma cmc cme cmf cmj cmm cmo cmr cmu co- coa coc coe cof coj com coo cor cou cra crc cre crf crj crm cro crr cru cua cuc cue cuf cum cuo cur cuu eaa eac eae eaf eaj eam eao ear eau ec- eca ecc ece ecf ecj ecm eco ecr ecu eea eec eee eef eem eeo eer ef- efa efc efe eff efm efo efr eja ejc ejf ejo eju em- ema emc eme emf emm emo emr emu eo- eoa eoc eoe eof eom eoo eor eou era erc ere erf erm ero err eru eu- eua euc eue euf euj eur faa fac fae faf faj fam fao far fau fca fcc fce fcf fcj fcm fco fcr fcu fea fec fee fef fem feo fer feu ffa ffc ffe fff ffm ffo ffr ffu fja fjc fjm fma fmc fme fmf fmj fmm fmo fmr fmu foa foc foe fof fom foo for fou fra frc fre frf frj frm fro frr fru fua fue fuf fum fuo fur fuu jaa jac jae jaf jaj jam jao jar jau jca jcc jce jcf jcm jco jcr jcu jea jec jee jef jej jem jeo jer jeu jfa jfc jfe jff jfj jfm jfo jfr jja jjc jjf jjj jjr jju jma jmc jme jmf jmj jmm jmo jmr jmu joa joc joe jof joj jom joo jor jou jra jrc jrf jrm jro jrr jue juf jum juo jur m-f m-o m-r maa mac mae maf maj mam mao mar mau mc- mca mcc mce mcf mcm mco mcr mcu mea mec mee mef mej mem meo mer meu mfa mfc mfe mff mfj mfm mfo mfr mfu mjc mje mjj mjm mjr mma mmc mme mmf mmj mmm mmo mmr mmu moa moc moe mof mom moo mor mou mra mrc mre mrf mrj mrm mro mrr mru mua muc mue muf muj mum mur muu oaa oac oae oaf oaj oam oao oar oau oc- oca occ ocf ocj ocm oco ocr ocu oea oec oee oef oem oeo oer of- ofa ofc ofe off ofm ofo ofr ofu oja ojc oje ojm ojo oju om- oma omc ome omf omj omm omo omr omu oo- ooa ooc oof oom ooo oor or- ora orc ore orf orm oro orr oru ou- oua ouc oue ouf oum ouo our ra- raa rac rae raf raj ram rao rar rau rca rcc rce rcf rcj rcm rco rcr rcu re- rea rec ree ref rem reo rer reu rfa rfc rfe rff rfj rfm rfo rfr rfu rja rjc rjf rjm rjr rma rmc rme rmf rmm rmo rmr roa roc roe rof roj rom roo ror rou rra rrc rrf rrm rrr rru rua ruc rue ruf rum ruo rur ruu ua- uaa uac uae uaf uaj uam uao uar uau uca ucc uce ucf ucj ucm uco ucr ucu uea uec uee uef uem uer ufa ufc ufe uff ufj ufm ufo ufr ufu ujc ujo um- uma umc ume umf umm umo umr umu uoa uoc uoe uoj uom uoo uor ur- ura urc ure urf urm uro urr uru uua uuc uue uum uur uuu