-al -ic -ol a-a a-b a-c a-i a-t aaa aab aac aai aal aao aap aar aas aat ab- aba abb abc abi abl abo abp abr abs abt ac- aca acb acc aci acl aco acp acr acs act ai- aia aib aic aii ail aio aip air ais ait al- ala alb alc ali all alo alp alr als alt aoa aob aoc aoi aol aoo aop aor aos aot ap- apa apb apc api apl apo app apr aps apt ar- ara arb arc ari arl aro arp arr ars art as- asa asb asc asi asl aso asp asr ass ast at- ata atb atc ati atl ato atp atr ats att b-p baa bab bac bai bal bao bap bar bas bat bba bbb bbc bbi bbl bbo bbp bbr bbs bbt bca bcb bcc bci bcl bco bcp bcr bcs bct bi- bia bib bic bii bil bio bip bir bis bit bla blb blc bli bll blo blp blr bls blt boa bob boc boi bol boo bop bor bos bot bpa bpb bpc bpi bpl bpo bpp bpr bps bpt bra brb bri brl bro brp brr brs brt bsa bsb bsc bsi bsl bso bsp bsr bss bst bta btb btc bti btl bto btp btr bts btt c-- caa cab cac cai cal cao cap car cas cat cba cbb cbc cbi cbl cbo cbp cbr cbs cbt cca ccb ccc cci ccl cco ccp ccr ccs cct ci- cia cib cic cii cil cio cip cir cis cit cl- cla clb clc cli cll clo clp clr cls clt co- coa cob coc coi col coo cop cor cos cot cpa cpb cpc cpi cpl cpo cpp cpr cps cpt cra crb crc cri crl cro crp crr crs crt csa csb csc csi csl cso csp csr css cst cta ctb ctc cti ctl cto ctp ctr cts ctt ia- iaa iab iac iai ial iao iap iar ias iat iba ibb ibc ibi ibl ibo ibp ibr ibs ibt ica icb icc ici icl ico icp icr ics ict iia iib iic iii iil iio iip iir iis iit il- ila ilb ilc ili ill ilo ilp ilr ils ilt io- ioa iob ioc ioi iol ioo iop ior ios iot ipa ipb ipc ipi ipl ipo ipp ipr ips ipt ir- ira irb irc iri irl iro irp irr irs irt is- isa isb isc isi isl iso isp isr iss ist ita itb itc iti itl ito itp its itt l-p la- laa lab lac lai lal lao lap lar las lat lba lbb lbc lbi lbl lbo lbp lbr lbs lbt lca lcb lcc lci lcl lco lcp lcr lcs lct lia lib lic lii lil lio lip lir lis lit lla llb llc lli lll llo llp llr lls llt loa lob loc loi lol loo lop lor los lot lpa lpb lpc lpi lpl lpo lpp lpr lps lpt lra lrb lrc lri lro lrp lrr lrs lrt lsa lsb lsc lsi lsl lso lsp lsr lss lst lta ltb ltc lti ltl lto ltp ltr lts ltt o-i oaa oab oac oai oal oao oap oar oas oat ob- oba obb obc obi obl obo obp obr obs obt oc- oca ocb occ oci ocl oco ocp ocr ocs oct oia oib oic oii oil oio oip oir ois oit ola olb olc oli oll olo olp ols olt oo- ooa oob ooc ooi ool ooo oop oor oos oot op- opa opb opc opi opl opo opp opr ops opt or- ora orb orc ori orl oro orp orr ors ort os- osa osb osc osi osl oso osp osr oss ost ot- ota otb otc oti otl oto otp otr ots ott p-p paa pab pac pai pal pao pap par pas pat pba pbb pbc pbi pbl pbo pbp pbr pbs pbt pca pcb pcc pci pcl pco pcp pcr pcs pct pia pib pic pii pil pio pip pir pis pit pla plb plc pli pll plo plp plr pls plt poa pob poc poi pol poo pop por pos pot ppa ppb ppc ppi ppl ppo ppp ppr pps ppt pra prb prc pri prl pro prp prr prs prt ps- psa psb psc psi psl pso psp psr pss pst pt- pta ptb ptc pti ptl pto ptp ptr pts ptt ra- raa rab rac rai ral rao rap rar ras rat rba rbb rbc rbi rbl rbo rbp rbr rbs rbt rca rcb rcc rci rcl rco rcp rcr rcs rct ria rib ric rii ril rio rip rir ris rit rla rlc rli rll rlo rlp rlr rls rlt roa rob roc roi rol roo rop ror ros rot rpa rpb rpc rpi rpl rpo rpp rpr rps rpt rra rrb rrc rri rrl rrp rrr rrs rrt rsa rsb rsc rsi rsl rso rsp rsr rss rst rta rtb rtc rti rtl rto rtp rtr rts rtt saa sab sac sai sal sao sap sar sas sat sba sbb sbc sbi sbl sbo sbp sbr sbs sbt sca scb scc sci scl sco scp scr scs sct sia sib sic sii sil sio sip sir sis sit sla slb slc sli sll slo slp slr sls slt soa sob soc soi sol soo sop sor sos sot spa spb spc spi spl spo spp spr sps spt sr- sra srb src sri srl sro srp srr srs srt ss- ssa ssb ssc ssi ssl sso ssp ssr sss sst sta stb stc sti stl sto stp str sts stt taa tab tac tai tal tao tap tar tas tat tba tbb tbc tbi tbl tbo tbp tbr tbs tbt tca tcb tcc tci tcl tco tcp tcr tcs tct tia tib tic tii til tio tip tir tis tit tla tlc tli tll tlo tlp tlr tls tlt to- toa tob toc toi tol too top tor tos tot tpa tpb tpc