-al a-a a-c a-t aaa aac aal aar aas aat aau ac- aca acc acl acr acs act acu al- ala alc all alr als alt alu ar- ara arc arl arr ars art aru as- asa asc asl asr ass ast asu at- ata atc atl atr ats att atu au- aua auc aul aur aus aut c-- caa cac cal car cas cat cau cca ccc ccl ccr ccs cct ccu cl- cla clc cll clr cls clt clu cra crc crl crr crs crt cru csa csc csl csr css cst csu cta ctc ctl ctr cts ctt ctu cua cuc cul cur cus cut cuu la- laa lac lal lar las lat lau lca lcc lcl lcr lcs lct lcu lla llc lll llr lls llt llu lra lrc lrr lrs lrt lru lsa lsc lsl lsr lss lst lsu lta ltc ltl ltr lts ltt ltu lua luc lul lur lus lut luu ra- raa rac ral rar ras rat rau rca rcc rcl rcr rcs rct rcu rla rlc rll rlr rls rlt rlu rra rrc rrl rrr rrs rrt rru rsa rsc rsl rsr rss rst rsu rta rtc rtl rtr rts rtt rtu rua ruc rur rus rut ruu saa sac sal sar sas sat sau sca scc scl scr scs sct scu sla slc sll slr sls slt slu sr- sra src srl srr srs srt ss- ssa ssc ssl ssr sss sst ssu sta stc stl str sts stt stu sua suc sul sur sus sut suu taa tac tal tar tas tat tau tca tcc tcl tcr tcs tct tcu tla tlc tll tlr tls tlt tlu tra trc trl trr trs trt tru tsa tsc tsl tsr tss tst tsu tta ttc ttl ttr tts ttt ttu tua tuc tul tur tus tut tuu ua- uaa uac ual uar uas uat uau uca ucc ucl ucr ucs uct ucu ula ulc ull ulr uls ult ulu ur- ura urc url urr urs urt uru usa usc usl usr uss ust usu uta utc utl utr uts utt utu uua uuc uur uus uut uuu