-al -ic -ol a-a a-b a-c a-i a-t aaa aab aac aai aal aao aar aas aat ab- aba abb abc abi abl abo abr abs abt ac- aca acb acc aci acl aco acr acs act ai- aia aib aic aii ail aio air ais ait al- ala alb alc ali all alo alr als alt aoa aob aoc aoi aol aoo aor aos aot ar- ara arb arc ari arl aro arr ars art as- asa asb asc asi asl aso asr ass ast at- ata atb atc ati atl ato atr ats att baa bab bac bai bal bao bar bas bat bba bbb bbc bbi bbl bbo bbr bbs bbt bca bcb bcc bci bcl bco bcr bcs bct bi- bia bib bic bii bil bio bir bis bit bla blb blc bli bll blo blr bls blt boa bob boc boi bol boo bor bos bot bra brb bri brl bro brr brs brt bsa bsb bsc bsi bsl bso bsr bss bst bta btb btc bti btl bto btr bts btt c-- caa cab cac cai cal cao car cas cat cba cbb cbc cbi cbl cbo cbr cbs cbt cca ccb ccc cci ccl cco ccr ccs cct ci- cia cib cic cii cil cio cir cis cit cl- cla clb clc cli cll clo clr cls clt co- coa cob coc coi col coo cor cos cot cra crb crc cri crl cro crr crs crt csa csb csc csi csl cso csr css cst cta ctb ctc cti ctl cto ctr cts ctt ia- iaa iab iac iai ial iao iar ias iat iba ibb ibc ibi ibl ibo ibr ibs ibt ica icb icc ici icl ico icr ics ict iia iib iic iii iil iio iir iis iit il- ila ilb ilc ili ill ilo ilr ils ilt io- ioa iob ioc ioi iol ioo ior ios iot ir- ira irb irc iri irl iro irr irs irt is- isa isb isc isi isl iso isr iss ist ita itb itc iti itl ito its itt la- laa lab lac lai lal lao lar las lat lba lbb lbc lbi lbl lbo lbr lbs lbt lca lcb lcc lci lcl lco lcr lcs lct lia lib lic lii lil lio lir lis lit lla llb llc lli lll llo llr lls llt loa lob loc loi lol loo lor los lot lra lrb lrc lri lro lrr lrs lrt lsa lsb lsc lsi lsl lso lsr lss lst lta ltb ltc lti ltl lto ltr lts ltt o-i oaa oab oac oai oal oao oar oas oat ob- oba obb obc obi obl obo obr obs obt oc- oca ocb occ oci ocl oco ocr ocs oct oia oib oic oii oil oio oir ois oit ola olb olc oli oll olo ols olt oo- ooa oob ooc ooi ool ooo oor oos oot or- ora orb orc ori orl oro orr ors ort os- osa osb osc osi osl oso osr oss ost ot- ota otb otc oti otl oto otr ots ott ra- raa rab rac rai ral rao rar ras rat rba rbb rbc rbi rbl rbo rbr rbs rbt rca rcb rcc rci rcl rco rcr rcs rct ria rib ric rii ril rio rir ris rit rla rlc rli rll rlo rlr rls rlt roa rob roc roi rol roo ror ros rot rra rrb rrc rri rrl rrr rrs rrt rsa rsb rsc rsi rsl rso rsr rss rst rta rtb rtc rti rtl rto rtr rts rtt saa sab sac sai sal sao sar sas sat sba sbb sbc sbi sbl sbo sbr sbs sbt sca scb scc sci scl sco scr scs sct sia sib sic sii sil sio sir sis sit sla slb slc sli sll slo slr sls slt soa sob soc soi sol soo sor sos sot sr- sra srb src sri srl sro srr srs srt ss- ssa ssb ssc ssi ssl sso ssr sss sst sta stb stc sti stl sto str sts stt taa tab tac tai tal tao tar tas tat tba tbb tbc tbi tbl tbo tbr tbs tbt tca tcb tcc tci tcl tco tcr tcs tct tia tib tic tii til tio tir tis tit tla tlc tli tll tlo tlr tls tlt to- toa tob toc toi tol too tor tos tot tra trb trc tri trl tro trr trs trt tsa tsb tsc tsi tsl tso tsr tss tst tta ttb ttc tti ttl tto ttr tts ttt