a-a a-c aaa aac aaf aah aao aar aas aau ac- aca acc acf ach aco acr acs acu af- afa afc aff afh afo afr afs afu aha ahc ahf ahh aho ahr ahs ahu aoa aoc aof aoh aoo aor aos aou ar- ara arc arf arh aro arr ars aru as- asa asc asf ash aso asr ass asu au- aua auc auf auh auo aur aus c-- caa cac caf cah cao car cas cau cca ccc ccf cch cco ccr ccs ccu cfa cfc cff cfh cfo cfr cfs cfu ch- cha chc chf chh cho chr chs chu co- coa coc cof coh coo cor cos cou cra crc crf crh cro crr crs cru csa csc csf csh cso csr css csu cua cuc cuf cuh cuo cur cus cuu faa fac faf fah fao far fas fau fca fcc fcf fco fcr fcs fcu ffa ffc fff ffh ffo ffr ffs ffu fha fhc fhf fhh fho fhr fhs foa foc fof foh foo for fos fou fra frc frf frh fro frr frs fru fsa fsc fsf fsh fso fsr fss fsu fua fuf fuo fur fus fuu haa hac haf hah hao har has hau hca hcc hcf hch hco hcr hcs hfa hfc hff hfh hfo hfr hfs hfu hha hhc hhf hhh hho hhr hhs hhu hoa hoc hof hoh hoo hor hos hou hr- hra hrc hrf hrh hro hrr hrs hru hsa hsc hsf hsh hsr hss hsu hua huc huf huh huo hur hus huu oaa oac oaf oah oao oar oas oau oc- oca occ ocf och oco ocr ocs ocu of- ofa ofc off ofo ofr ofs ofu oha ohc ohf ohh oho ohr ohs ohu oo- ooa ooc oof ooh ooo oor oos or- ora orc orf orh oro orr ors oru os- osa osc osf osh oso osr oss osu ou- oua ouc ouf ouh ouo our ous ra- raa rac raf rah rao rar ras rau rca rcc rcf rch rco rcr rcs rcu rfa rfc rff rfh rfo rfr rfs rfu rh- rha rhc rhf rhh rho rhr rhs rhu roa roc rof roh roo ror ros rou rra rrc rrf rrh rrr rrs rru rsa rsc rsf rsh rso rsr rss rsu rua ruc ruf ruh ruo rur rus ruu saa sac saf sah sao sar sas sau sca scc scf sch sco scr scs scu sfa sfc sff sfh sfo sfr sfs sfu sh- sha shc shf shh sho shr shs shu soa soc sof soh soo sor sos sou sr- sra src srf srh sro srr srs ss- ssa ssc ssf ssh sso ssr sss ssu sua suc suf suh suo sur sus suu ua- uaa uac uaf uah uao uar uas uau uca ucc ucf uch uco ucr ucs ucu ufa ufc uff ufh ufo ufr ufs ufu uha uhc uhf uhh uho uhr uhs uhu uoa uoc uoo uor uos ur- ura urc urf uro urr urs uru usa usc usf ush uso usr uss usu uua uuc uur uus uuu