-al -up a-a a-b a-c aaa aab aac aak aal aap aar aas aau ab- aba abb abc abk abl abp abr abs abu ac- aca acb acc ack acl acp acr acs acu aka akb akc akk akl akp akr aks aku al- ala alb alc alk all alp alr als alu ap- apa apb apc apk apl app apr aps apu ar- ara arb arc ark arl arp arr ars aru as- asa asb asc ask asl asp asr ass asu au- aua aub auc auk aul aup aur aus b-p b-u baa bab bac bak bal bap bar bas bau bba bbb bbc bbk bbl bbp bbr bbs bbu bca bcb bcc bck bcl bcp bcr bcs bcu bka bkb bkc bkk bkl bkp bkr bks bla blb blc blk bll blp blr bls blu bpa bpb bpc bpl bpp bpr bps bpu bra brb brk brl brp brr brs bru bsa bsb bsc bsk bsl bsp bsr bss bsu bua bub buc buk bul bup bur bus buu c-- caa cab cac cak cal cap car cas cau cba cbb cbc cbk cbl cbp cbr cbs cbu cca ccb ccc cck ccl ccp ccr ccs ccu cka ckb ckc cks cl- cla clb clc clk cll clp clr cls clu cpa cpb cpc cpk cpl cpp cpr cps cpu cra crb crc crk crl crp crr crs cru csa csb csc csk csl csp csr css csu cua cub cuc cuk cul cup cur cus cuu ka- kaa kab kac kak kal kap kar kas kau kba kbb kbc kbk kbl kbp kbr kbs kbu kca kcb kcc kck kcl kcp kcr kcs kcu kkb kkc kkk kkl kkp kkr kks kku kl- kla klb klc klr kls klu kpa kpc kpk kpl kpp kpr kps kpu kra krc krk krl krp krr krs kru ksa ksb ksc ksk ksl ksp ksr kss ksu kub kuc kuk kul kup kur kus kuu l-p la- laa lab lac lak lal lap lar las lau lba lbb lbc lbk lbl lbp lbr lbs lbu lca lcb lcc lck lcl lcp lcr lcs lcu lka lkb lkl lkp lkr lks lla llb llc llk lll llp llr lls llu lpa lpb lpc lpk lpl lpp lpr lps lpu lra lrb lrc lrk lrp lrr lrs lru lsa lsb lsc lsk lsl lsp lsr lss lsu lua lub luc luk lul lup lur lus luu p-p paa pab pac pak pal pap par pas pau pba pbb pbc pbk pbl pbp pbr pbs pbu pca pcb pcc pck pcl pcp pcr pcs pcu pka pkb pkc pkl pkp pkr pks pku pla plb plc plk pll plp plr pls plu ppa ppb ppc ppk ppl ppp ppr pps ppu pra prb prc prk prl prp prr prs pru ps- psa psb psc psk psl psp psr pss psu pua pub puc puk pul pup pur pus puu ra- raa rab rac rak ral rap rar ras rau rba rbb rbc rbk rbl rbp rbr rbs rbu rca rcb rcc rcl rcp rcr rcs rcu rkb rkc rkk rkp rks rku rla rlc rll rlp rlr rls rlu rpa rpb rpc rpk rpl rpp rpr rps rpu rra rrb rrc rrk rrl rrp rrr rrs rru rsa rsb rsc rsk rsl rsp rsr rss rsu rua rub ruc ruk rup rur rus ruu saa sab sac sak sal sap sar sas sau sba sbb sbc sbk sbl sbp sbr sbs sbu sca scb scc sck scl scp scr scs scu sk- ska skb skc skk skl skp skr sks sku sla slb slc slk sll slp slr sls slu spa spb spc spk spl spp spr sps spu sr- sra srb src srk srl srp srr srs ss- ssa ssb ssc ssk ssl ssp ssr sss ssu sua sub suc suk sul sup sur sus suu ua- uaa uab uac uak ual uap uar uas uau uba ubb ubc ubk ubl ubp ubr ubs ubu uca ucb ucc uck ucl ucp ucr ucs ucu uka ukb ukc ukk ukl ukp ukr uku ula ulb ulc ulk ull ulp ulr uls ulu up- upa upb upc upk upp upr ups upu ur- ura urb urc urk url urp urr urs uru usa usb usc usk usl usp usr uss usu uua uuc uur uus uuu

a-ak aaaa aaab aaac aaal aaap aaar aaas aaba aabb aabc aabl aabp aaca aacb aacc aack aacl aacp aacr aacs aacu aaka aaku aala aalc aall aals aalu aapa aapc aapl aaps aara aarc aarp aars aaru aasa aasc aass aasu aaup aaus abaa abab abac abak abal abap abar abas abau abb- abba abbb abbr abbs abca abcb abcc abcl abcp abcr abcs abla abls abpa abpc abpp abpr abps abra abrc abrs abs- absa absl absp abss absu abua abuk abul abus acaa acab acac acap acar acas acba acbl acca accc accp accs accu acks acla aclc aclr acls aclu acpa acpr acps acpu acr- acra acrc acrr acrs acsa acsc acsl acss acu- acul acup acur acus akaa akal akap akar akas akca akka akku akpu akr- akra aksa aksu akua al-p alaa alac alak alal alap alar alas alau alb- alba albc albs albu alca alcc alcs alk- alka alkb alku all- alla alll allr alls allu alpa alpl alps alpu alsa alsc alua aluk alur alus apac apak apal apap apar apas apba apbr apbs apca apcb apcc apcr apcs apl- apla aplp apls aplu appa appc appl appr apps appu apra aprc aprs apsa apsl apss apsu apua apuc apup apus arab arac arak aral arap arar aras arau arba arbs arc- arca arcs arka arks arla arpa arpl arps arpu arr- arra arrc arrk arrr arrs arru ars- arsa arsc arsk arsu arua arub arul arup asaa asab asac asak asal asap asar asas asau asba asbu asc- asca ascb ascc ascl ascp ascr aska askr asks asla aslr aspa aspc aspl aspr asps asra asrc asrs asru