-al -ol a-a a-b a-c aaa aab aac aak aal aam aao aap aas ab- aba abb abc abk abl abm abo abp abs ac- aca acb acc ack acl acm aco acp acs aka akb akc akk akl akm ako akp aks al- ala alb alc alk all alm alo alp als ama amb amc amk aml amm amo amp ams aoa aob aoc aok aol aom aoo aop aos ap- apa apb apc apk apl apm apo app aps as- asa asb asc ask asl asm aso asp ass b-p baa bab bac bak bal bam bao bap bas bba bbb bbc bbk bbl bbm bbo bbp bbs bca bcb bcc bck bcl bcm bco bcp bcs bka bkb bkc bkk bkl bkm bko bkp bks bla blb blc blk bll blm blo blp bls bma bmb bmc bmk bml bmm bmo bmp bms boa bob boc bok bol bom boo bop bos bpa bpb bpc bpl bpm bpo bpp bps bsa bsb bsc bsk bsl bsm bso bsp bss c-- caa cab cac cak cal cam cao cap cas cba cbb cbc cbk cbl cbm cbo cbp cbs cca ccb ccc cck ccl ccm cco ccp ccs cka ckb ckc ckm cko cks cl- cla clb clc clk cll clm clo clp cls cma cmb cmc cmk cml cmm cmo cmp cms co- coa cob coc cok col com coo cop cos cpa cpb cpc cpk cpl cpm cpo cpp cps csa csb csc csk csl csm cso csp css ka- kaa kab kac kak kal kam kao kap kas kba kbb kbc kbk kbl kbm kbo kbp kbs kca kcb kcc kck kcl kcm kcp kcs kkb kkc kkk kkl kkm kkp kks kl- kla klb klc klm klo kls kma kmb kmc kmk kml kmm kmo kmp kms koa kob koc kok kol kom koo kop kos kpa kpc kpk kpl kpm kpo kpp kps ksa ksb ksc ksk ksl ksm kso ksp kss l-p la- laa lab lac lak lal lam lao lap las lba lbb lbc lbk lbl lbm lbo lbp lbs lca lcb lcc lck lcl lcm lco lcp lcs lka lkb lkl lkp lks lla llb llc llk lll llm llo llp lls lma lmb lmc lmk lml lmm lmo lmp lms loa lob loc lok lol lom loo lop los lpa lpb lpc lpk lpl lpm lpo lpp lps lsa lsb lsc lsk lsl lsm lso lsp lss m-o maa mab mac mak mal mam mao map mas mba mbb mbc mbk mbl mbm mbo mbp mbs mc- mca mcb mcc mck mcl mcm mco mcp mcs mka mkb mkc mkk mkl mkm mko mkp mks mla mlb mlc mlk mll mlm mlo mlp mls mma mmb mmc mmk mml mmm mmo mmp mms moa mob moc mok mol mom moo mop mos mpa mpb mpc mpk mpl mpm mpo mpp mps msa msb msc msk msl msm mso msp mss oaa oab oac oak oal oam oao oap oas ob- oba obb obc obk obl obm obo obp obs oc- oca ocb occ ock ocl ocm oco ocp ocs oka okb okc okk okl oko okp oks ola olb olc olk oll olm olo olp ols om- oma omb omc oml omm omo omp oms oo- ooa oob ooc ook ool oom ooo oop oos op- opa opb opc opk opl opm opo opp ops os- osa osb osc osk osl osm oso osp oss p-p paa pab pac pak pal pam pao pap pas pba pbb pbc pbk pbl pbm pbo pbp pbs pca pcb pcc pck pcl pcm pco pcp pcs pka pkb pkc pkl pkm pko pkp pks pla plb plc plk pll plm plo plp pls pma pmb pmc pmk pml pmm pmo pmp pms poa pob poc pok pol pom poo pop pos ppa ppb ppc ppk ppl ppm ppo ppp pps ps- psa psb psc psk psl psm pso psp pss saa sab sac sak sal sam sao sap sas sba sbb sbc sbk sbl sbm sbo sbp sbs sca scb scc sck scl scm sco scp scs sk- ska skb skc skk skl skm sko skp sks sla slb slc slk sll slm slo slp sls sma smb smc smk sml smm smo smp sms soa sob soc sok sol som soo sop sos spa spb spc spk spl spm spo spp sps ss- ssa ssb ssc ssk ssl ssm sso ssp sss

a-ak a-ok aaaa aaab aaac aaal aaam aaap aaas aaba aabb aabc aabl aabm aabp aaca aacb aacc aack aacl aacm aaco aacp aacs aaka aala aalc aall aalo aals aama aamb aamc aamo aamp aams aaoo aapa aapc aapl aapm aapo aaps aasa aasc aasm aass abaa abab abac abak abal abam abap abas abb- abba abbb abbo abbs abca abcb abcc abcl abcp abcs abla ablo abls abma abmb abmc abms aboa abob abok abol aboo abos abpa abpc abpm abpp abps abs- absa absl absp abss acaa acab acac acap acas acba acbl acca accc accm acco accp accs acks acla aclc acls acma acmc acmp acms acoa acol acom acop acos acpa acpm acps acsa acsc acsl acsm acss akaa akal akam akao akap akas akca akka akko aklo akok akom akos akpo aksa al-p alaa alac alak alal alam alao alap alas alb- alba albc albm albo albs alca alcc alco alcs alk- alka alkb alko all- alla alll allo alls alma almc almo alms aloa aloc alok alol alom aloo alop alos alpa alpl alpo alps alsa alsc also amaa amac amal amam amap amas amb- amba ambo ambs amca amcc amco amcs amka amla amm- amma ammo amob amoc amok amol amoo amos ampa ampc ampk ampl ampm ampo amps amsa amsc amsl amso amss aoba aoca aocs aokp aoks aola aoma aopo aosp aoss apac apak apal apam apao apap apas apba apbs apca apcb apcc apcm apco apcs apl- apla aplp apls apma apo- apoc apom apoo apop apos appa