-al a-a a-c aaa aac aaf aal aar aas aau ac- aca acc acf acl acr acs acu af- afa afc aff afl afr afs afu al- ala alc alf all alr als alu ar- ara arc arf arl arr ars aru as- asa asc asf asl asr ass asu au- aua auc auf aul aur aus c-- caa cac caf cal car cas cau cca ccc ccf ccl ccr ccs ccu cfa cfc cff cfl cfr cfs cfu cl- cla clc clf cll clr cls clu cra crc crf crl crr crs cru csa csc csf csl csr css csu cua cuc cuf cul cur cus cuu faa fac faf fal far fas fau fca fcc fcf fcl fcr fcs fcu ffa ffc fff ffl ffr ffs ffu fla flc flf fll flr fls flu fra frc frf frl frr frs fru fsa fsc fsf fsl fsr fss fsu fua fuf ful fur fus fuu la- laa lac laf lal lar las lau lca lcc lcf lcl lcr lcs lcu lfa lfc lff lfl lfr lfs lfu lla llc llf lll llr lls llu lra lrc lrf lrr lrs lru lsa lsc lsf lsl lsr lss lsu lua luc luf lul lur lus luu ra- raa rac raf ral rar ras rau rca rcc rcf rcl rcr rcs rcu rfa rfc rff rfl rfr rfs rfu rla rlc rlf rll rlr rls rlu rra rrc rrf rrl rrr rrs rru rsa rsc rsf rsl rsr rss rsu rua ruc ruf rur rus ruu saa sac saf sal sar sas sau sca scc scf scl scr scs scu sfa sfc sff sfl sfr sfs sfu sla slc slf sll slr sls slu sr- sra src srf srl srr srs ss- ssa ssc ssf ssl ssr sss ssu sua suc suf sul sur sus suu ua- uaa uac uaf ual uar uas uau uca ucc ucf ucl ucr ucs ucu ufa ufc uff ufl ufr ufs ufu ula ulc ulf ull ulr uls ulu ur- ura urc urf url urr urs uru usa usc usf usl usr uss usu uua uuc uur uus uuu