-al -ol a-a a-b a-c aaa aab aac aah aak aal aao aap aas ab- aba abb abc abh abk abl abo abp abs ac- aca acb acc ach ack acl aco acp acs aha ahb ahc ahh ahk ahl aho ahp ahs aka akb akc akh akk akl ako akp aks al- ala alb alc alh alk all alo alp als aoa aob aoc aoh aok aol aoo aop aos ap- apa apb apc aph apk apl apo app aps as- asa asb asc ash ask asl aso asp ass b-p baa bab bac bah bak bal bao bap bas bba bbb bbc bbh bbk bbl bbo bbp bbs bca bcb bcc bch bck bcl bco bcp bcs bha bhb bhc bhh bhk bhl bho bhp bhs bka bkb bkc bkk bkl bko bkp bks bla blb blc blh blk bll blo blp bls boa bob boc boh bok bol boo bop bos bpa bpb bpc bph bpl bpo bpp bps bsa bsb bsc bsh bsk bsl bso bsp bss c-- caa cab cac cah cak cal cao cap cas cba cbb cbc cbh cbk cbl cbo cbp cbs cca ccb ccc cch cck ccl cco ccp ccs ch- cha chb chc chh chk chl cho chp chs cka ckb ckc ckh cko cks cl- cla clb clc clh clk cll clo clp cls co- coa cob coc coh cok col coo cop cos cpa cpb cpc cph cpk cpl cpo cpp cps csa csb csc csh csk csl cso csp css haa hab hac hah hak hal hao hap has hba hbb hbc hbh hbk hbl hbo hbp hbs hca hcb hcc hch hck hcl hco hcp hcs hha hhb hhc hhh hhk hhl hho hhp hhs hka hkb hkh hkk hkl hko hkp hks hla hlb hlc hlh hll hlo hlp hls hoa hob hoc hoh hok hol hoo hop hos hpa hpb hpc hph hpk hpl hpo hpp hps hsa hsb hsc hsh hsk hsl hsp hss ka- kaa kab kac kah kak kal kao kap kas kba kbb kbc kbh kbk kbl kbo kbp kbs kca kcb kcc kch kck kcl kcp kcs kha khh khk kho khs kkb kkc kkh kkk kkl kkp kks kl- kla klb klc klh klo kls koa kob koc koh kok kol koo kop kos kpa kpc kph kpk kpl kpo kpp kps ksa ksb ksc ksh ksk ksl kso ksp kss l-p la- laa lab lac lah lak lal lao lap las lba lbb lbc lbh lbk lbl lbo lbp lbs lca lcb lcc lch lck lcl lco lcp lcs lha lhb lhc lhh lhk lho lhp lhs lka lkb lkh lkl lkp lks lla llb llc llk lll llo llp lls loa lob loc loh lok lol loo lop los lpa lpb lpc lph lpk lpl lpo lpp lps lsa lsb lsc lsh lsk lsl lso lsp lss oaa oab oac oah oak oal oao oap oas ob- oba obb obc obh obk obl obo obp obs oc- oca ocb occ och ock ocl oco ocp ocs oha ohc ohh ohl oho ohp ohs oka okb okc okk okl oko okp oks ola olb olc olk oll olo olp ols oo- ooa oob ooc ooh ook ool ooo oop oos op- opa opb opc oph opk opl opo opp ops os- osa osb osc osh osk osl oso osp oss p-p paa pab pac pah pak pal pao pap pas pba pbb pbc pbk pbl pbo pbp pbs pca pcb pcc pch pck pcl pco pcp pcs pha phb phc phk phl pho php phs pka pkb pkc pkl pko pkp pks pla plb plc plh plk pll plo plp pls poa pob poc poh pok pol poo pop pos ppa ppb ppc pph ppk ppl ppo ppp pps ps- psa psb psc psh psk psl pso psp pss saa sab sac sah sak sal sao sap sas sba sbb sbc sbh sbk sbl sbo sbp sbs sca scb scc sch sck scl sco scp scs sh- sha shb shc shh shk shl sho shp shs sk- ska skb skc skh skk skl sko skp sks sla slb slc slh slk sll slo slp sls soa sob soc soh sok sol soo sop sos spa spb spc sph spk spl spo spp sps ss- ssa ssb ssc ssh ssk ssl sso ssp sss