a-ak aaaa aaab aaac aaal aaam aaap aaba aabb aabc aabl aabm aabp aaca aacb aacc aack aacl aacm aacp aaka aala aalc aall aama aamb aamc aamp aapa aapc aapl aapm abaa abab abac abak abal abam abap abb- abba abbb abca abcb abcc abcl abcp abla abma abmb abmc abpa abpc abpm abpp acaa acab acac acap acba acbl acca accc accm accp acla aclc acma acmc acmp acpa acpm akaa akal akam akap akca akka al-p alaa alac alak alal alam alap alb- alba albc albm alca alcc alk- alka alkb all- alla alll alma almc alpa alpl amaa amac amal amam amap amb- amba amca amcc amka amla amm- amma ampa ampc ampk ampl ampm apac apak apal apam apap apba apca apcb apcc apcm apl- apla aplp apma appa appc appl baaa baak baal baam baba babb babm bac- baca bacc back bak- baka bakl bala balc balk ball balm bama bamb bamc baml bamm bamp bapa bapc bapp bbbb bbcm bblb bcaa bcam bcap bcbc bcbp bcca bccc bccl bccm bcma bcmp bcpl bcpp blaa blab blac blak blam blkb bmaa bpcp bpmc bpml caaa caab caac caal caam caap caba cac- caca cacc cack cacm caka cala calc calk call calm calp cama camb camc camk caml camm camp capa capb capc capm capp cbac cbal cbbc cbca cbcc cbcl cbcm cbcp cbka cbkl cbkm cblb cblc cbpc cbpp ccaa ccab ccac ccam ccap ccba ccbc ccca cccb cccc cccl cccm cccp cckm ccla cclc cclm ccma ccmb ccmc ccmm ccmp ccpa ccpl ccpm ccpp ckac ckbc ckck ckcl ckcm cklm ckml ckmp ckpc clab clam clap clpb clpp cmaa cmac cmap cmba cmbc cmcc cmla cmll cmmb cmmc cmml cmpa cmpc cmpk cmpl cmpp cpaa cpac cpam cpap cpbc cpca cpcm cplc cpma cpmp cppa cppm kaaa kaab kaak kaal kaam kaap kaba kabb kabc kacb kacc kacl kacp kaka kakc kakk kakm kala kalb kalc kalk kall kalm kalp kam- kama kamb kamc kaml kamm kamp kap- kapa kapc kapl kapp kbaa kbab kbac kbak kbal kbam kbap kbba kbbb kbbc kbbk kbbl kbbm kbca kbcb kbck kbcl kbkb kbkk kbkl kbla kblb kbll kblm kblp kbmb kbmc kbmp kbpa kbpc kbpk kcaa kcab kcac kcal kcam kcap kcba kcbc kcbk kcbl kcca kccb kccc kcck kccl kckc kckk kckl kckm kcla kclc kclk kcll kclm kcmb kcmc kcmk kcml kcmm kcmp kcpa kcpc kcpl kcpm kkaa kkac kkal kkam kkap kkba kkbb kkbl kkcb kkck kkcl kkcm kkkk kklb kklc kkll kkma kkmc kkmk kkml kkmp kkpc kkpk kkpl klaa klab klac klak klal klam klap klbb klbc klbl klbm klca klcb klcc klck klcl klcm klka klkc klkk klkl klla kllb kllc kllk kllp klmk klmm klmp klpc klpm kmac kmak kmal kmam kmap kmbc kmbl kmca kmcb kmcc kmcl kmcm kmkk kmkl kmla kmlb kmlk kmmk kmml kmmm kmpa kmpb kmpc kpac kpak kpal kpam kpba kpbb kpbl kpbm kpcc kpcl kpkk kpkl kpla kplc kplk kplm kpmb kpmp kppc kppk kppl kppp laaa laac laak laal laam laap laba laca lacc lack lacl lacp laka lala lall lalm lama lamb lamk lamm lamp lapa lapb lapc lapp lbcc lbmc lcac lcbc lcca lccc lccm lcpa lcpc lcpl lcpm lkab lkal llcc lllc llll lmcc lpac lpam lpla lppl maaa maac maak maal maam maap maba mac- maca macb macc mack macp maka mal- mala malk mall malm malp mama mamc mamp mapa mapl mapp mbac mbam mbba mbca mcaa mcac mcap mcba mcbc mcca mccc mccl mckk mcla mcmc mcml mcpa mcpb mcpc mcpp mkak mlab mlak mlba mlcc mlpa mlpc mmaa mmab mmac mmap mmcc mmcl mmcm mmlp mmmc mmmm mmpa mmpc mpaa mpac mpca mpcc mpla mplc mplm mpmc mppc mppp paak paal paap paba paca pack paka pala palk pall palm palp pam- pama pamb pamm pamp papa papb papp pbac pbcc pbpa pbpk pcaa pcap pcba pcbc pcbm pcca pccc pccl pclk pcll pcmb pcpb pcpm pcpp plaa plab plac plak plap plcc plkk plmb plpa plpp pmaa pmac pmcc pmcl pmma pmmp pmpm ppac ppal ppap ppcc ppcm ppml pppa pppp