a-ha aaaa aaab aaac aaah aaal aaap aaba aabb aabc aabh aabl aabp aaca aacb aacc aach aacl aacp aaha aahl aala aalc aall aapa aapc aaph aapl abaa abab abac abal abap abb- abba abbb abca abcb abcc abch abcl abcp abha abla abpa abpc abpp acaa acab acac acap acba acbl acca accc acch accp acha achh achl achp acla aclc acpa ahab ahac ahah ahal ahha ahla ahpl al-p alaa alac alal alap alb- alba albc alca alcc alha all- alla allh alll alpa alph alpl apac apah apal apap apba apca apcb apcc aph- apha aphc apl- apla aplp appa appc apph appl baaa baah baal baba babb bac- baca bacc bach baha bahl bala balc ball bapa bapc bapp bbbb bbch bblb bcaa bcap bcbc bcbp bcca bccc bccl bcpl bcpp bhca bhcc bhpl blaa blab blac blah bpcp bphc caaa caab caac caah caal caap caba cac- caca cacc cach caha cahl cala calc call calp capa capb capc caph capp cbac cbal cbbc cbca cbcc cbcl cbcp cbha cbhl cblb cblc cbpc cbpp ccaa ccab ccac ccap ccba ccbc ccca cccb cccc cccl cccp ccha cchl cchp ccla cclc ccpa ccpl ccpp chaa chab chac chah chal chap chbp chca chch chcp chha chlc chlp chpa chpp clab clap clpb clpp cpaa cpac cpap cpbc cpca cpha cphl cplc cppa haab haal haba haha hal- hala halb hall halp hapa happ hcap hcbc hcca hccb hccc hcch hcpc hhaa hhcl hhhh hhla hhpa hhpc hlah hpac hpcc laaa laac laal laap laba laca lacc lach lacl lacp laha lala lall lapa lapb lapc lapp lbcc lcac lcbc lcca lccc lchc lcpa lcpc lcpl lhhh llcc lllc llll lpac lpla lppl paal paap paba paca pach paha pahp pala palh pall palp papa papb papp pbac pbcc pbpa pcaa pcap pcba pcbc pcca pccc pccl pcha pchp pcll pcpb pcpp phah phal phcc phpa plaa plab plac plap plcc plch plpa plpp ppac ppal ppap ppcc pppa pppp